diff options
Diffstat (limited to 'fs/xfs')
40 files changed, 502 insertions, 240 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 0da80019a917..83ed7715f856 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -702,7 +702,7 @@ xfs_alloc_ag_vextent( ASSERT(args->agbno % args->alignment == 0); /* if not file data, insert new block into the reverse map btree */ - if (args->oinfo.oi_owner != XFS_RMAP_OWN_UNKNOWN) { + if (!xfs_rmap_should_skip_owner_update(&args->oinfo)) { error = xfs_rmap_alloc(args->tp, args->agbp, args->agno, args->agbno, args->len, &args->oinfo); if (error) @@ -1682,7 +1682,7 @@ xfs_free_ag_extent( bno_cur = cnt_cur = NULL; mp = tp->t_mountp; - if (oinfo->oi_owner != XFS_RMAP_OWN_UNKNOWN) { + if (!xfs_rmap_should_skip_owner_update(oinfo)) { error = xfs_rmap_free(tp, agbp, agno, bno, len, oinfo); if (error) goto error0; diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 6249c92671de..a76914db72ef 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -212,6 +212,7 @@ xfs_attr_set( int flags) { struct xfs_mount *mp = dp->i_mount; + struct xfs_buf *leaf_bp = NULL; struct xfs_da_args args; struct xfs_defer_ops dfops; struct xfs_trans_res tres; @@ -327,9 +328,16 @@ xfs_attr_set( * GROT: another possible req'mt for a double-split btree op. */ xfs_defer_init(args.dfops, args.firstblock); - error = xfs_attr_shortform_to_leaf(&args); + error = xfs_attr_shortform_to_leaf(&args, &leaf_bp); if (error) goto out_defer_cancel; + /* + * Prevent the leaf buffer from being unlocked so that a + * concurrent AIL push cannot grab the half-baked leaf + * buffer and run into problems with the write verifier. + */ + xfs_trans_bhold(args.trans, leaf_bp); + xfs_defer_bjoin(args.dfops, leaf_bp); xfs_defer_ijoin(args.dfops, dp); error = xfs_defer_finish(&args.trans, args.dfops); if (error) @@ -337,13 +345,14 @@ xfs_attr_set( /* * Commit the leaf transformation. We'll need another (linked) - * transaction to add the new attribute to the leaf. + * transaction to add the new attribute to the leaf, which + * means that we have to hold & join the leaf buffer here too. */ - error = xfs_trans_roll_inode(&args.trans, dp); if (error) goto out; - + xfs_trans_bjoin(args.trans, leaf_bp); + leaf_bp = NULL; } if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) @@ -374,8 +383,9 @@ xfs_attr_set( out_defer_cancel: xfs_defer_cancel(&dfops); - args.trans = NULL; out: + if (leaf_bp) + xfs_trans_brelse(args.trans, leaf_bp); if (args.trans) xfs_trans_cancel(args.trans); xfs_iunlock(dp, XFS_ILOCK_EXCL); diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 53cc8b986eac..601eaa36f1ad 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -735,10 +735,13 @@ xfs_attr_shortform_getvalue(xfs_da_args_t *args) } /* - * Convert from using the shortform to the leaf. + * Convert from using the shortform to the leaf. On success, return the + * buffer so that we can keep it locked until we're totally done with it. */ int -xfs_attr_shortform_to_leaf(xfs_da_args_t *args) +xfs_attr_shortform_to_leaf( + struct xfs_da_args *args, + struct xfs_buf **leaf_bp) { xfs_inode_t *dp; xfs_attr_shortform_t *sf; @@ -818,7 +821,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) sfe = XFS_ATTR_SF_NEXTENTRY(sfe); } error = 0; - + *leaf_bp = bp; out: kmem_free(tmpbuffer); return error; diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h index f7dda0c237b0..894124efb421 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.h +++ b/fs/xfs/libxfs/xfs_attr_leaf.h @@ -48,7 +48,8 @@ void xfs_attr_shortform_create(struct xfs_da_args *args); void xfs_attr_shortform_add(struct xfs_da_args *args, int forkoff); int xfs_attr_shortform_lookup(struct xfs_da_args *args); int xfs_attr_shortform_getvalue(struct xfs_da_args *args); -int xfs_attr_shortform_to_leaf(struct xfs_da_args *args); +int xfs_attr_shortform_to_leaf(struct xfs_da_args *args, + struct xfs_buf **leaf_bp); int xfs_attr_shortform_remove(struct xfs_da_args *args); int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp); int xfs_attr_shortform_bytesfit(struct xfs_inode *dp, int bytes); diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 08df809e2315..1bddbba6b80c 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5136,7 +5136,7 @@ __xfs_bunmapi( * blowing out the transaction with a mix of EFIs and reflink * adjustments. */ - if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) + if (tp && xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) max_len = min(len, xfs_refcount_max_unmap(tp->t_log_res)); else max_len = len; @@ -5662,7 +5662,8 @@ xfs_bmap_collapse_extents( *done = true; goto del_cursor; } - XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock)); + XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock), + del_cursor); new_startoff = got.br_startoff - offset_shift_fsb; if (xfs_iext_peek_prev_extent(ifp, &icur, &prev)) { @@ -5767,7 +5768,8 @@ xfs_bmap_insert_extents( goto del_cursor; } } - XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock)); + XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock), + del_cursor); if (stop_fsb >= got.br_startoff + got.br_blockcount) { error = -EIO; diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 072ebfe1d6ae..087fea02c389 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -249,6 +249,10 @@ xfs_defer_trans_roll( for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); + /* Hold the (previously bjoin'd) buffer locked across the roll. */ + for (i = 0; i < XFS_DEFER_OPS_NR_BUFS && dop->dop_bufs[i]; i++) + xfs_trans_dirty_buf(*tp, dop->dop_bufs[i]); + trace_xfs_defer_trans_roll((*tp)->t_mountp, dop); /* Roll the transaction. */ @@ -264,6 +268,12 @@ xfs_defer_trans_roll( for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) xfs_trans_ijoin(*tp, dop->dop_inodes[i], 0); + /* Rejoin the buffers and dirty them so the log moves forward. */ + for (i = 0; i < XFS_DEFER_OPS_NR_BUFS && dop->dop_bufs[i]; i++) { + xfs_trans_bjoin(*tp, dop->dop_bufs[i]); + xfs_trans_bhold(*tp, dop->dop_bufs[i]); + } + return error; } @@ -295,6 +305,31 @@ xfs_defer_ijoin( } } + ASSERT(0); + return -EFSCORRUPTED; +} + +/* + * Add this buffer to the deferred op. Each joined buffer is relogged + * each time we roll the transaction. + */ +int +xfs_defer_bjoin( + struct xfs_defer_ops *dop, + struct xfs_buf *bp) +{ + int i; + + for (i = 0; i < XFS_DEFER_OPS_NR_BUFS; i++) { + if (dop->dop_bufs[i] == bp) + return 0; + else if (dop->dop_bufs[i] == NULL) { + dop->dop_bufs[i] = bp; + return 0; + } + } + + ASSERT(0); return -EFSCORRUPTED; } @@ -493,9 +528,7 @@ xfs_defer_init( struct xfs_defer_ops *dop, xfs_fsblock_t *fbp) { - dop->dop_committed = false; - dop->dop_low = false; - memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); + memset(dop, 0, sizeof(struct xfs_defer_ops)); *fbp = NULLFSBLOCK; INIT_LIST_HEAD(&dop->dop_intake); INIT_LIST_HEAD(&dop->dop_pending); diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index d4f046dd44bd..045beacdd37d 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -59,6 +59,7 @@ enum xfs_defer_ops_type { }; #define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ +#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */ struct xfs_defer_ops { bool dop_committed; /* did any trans commit? */ @@ -66,8 +67,9 @@ struct xfs_defer_ops { struct list_head dop_intake; /* unlogged pending work */ struct list_head dop_pending; /* logged pending work */ - /* relog these inodes with each roll */ + /* relog these with each roll */ struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; + struct xfs_buf *dop_bufs[XFS_DEFER_OPS_NR_BUFS]; }; void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, @@ -77,6 +79,7 @@ void xfs_defer_cancel(struct xfs_defer_ops *dop); void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); int xfs_defer_ijoin(struct xfs_defer_ops *dop, struct xfs_inode *ip); +int xfs_defer_bjoin(struct xfs_defer_ops *dop, struct xfs_buf *bp); /* Description of a deferred type. */ struct xfs_defer_op_type { diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index de3f04a98656..3b57ef0f2f76 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -920,8 +920,7 @@ STATIC xfs_agnumber_t xfs_ialloc_ag_select( xfs_trans_t *tp, /* transaction pointer */ xfs_ino_t parent, /* parent directory inode number */ - umode_t mode, /* bits set to indicate file type */ - int okalloc) /* ok to allocate more space */ + umode_t mode) /* bits set to indicate file type */ { xfs_agnumber_t agcount; /* number of ag's in the filesystem */ xfs_agnumber_t agno; /* current ag number */ @@ -978,9 +977,6 @@ xfs_ialloc_ag_select( return agno; } - if (!okalloc) - goto nextag; - if (!pag->pagf_init) { error = xfs_alloc_pagf_init(mp, tp, agno, flags); if (error) @@ -1680,7 +1676,6 @@ xfs_dialloc( struct xfs_trans *tp, xfs_ino_t parent, umode_t mode, - int okalloc, struct xfs_buf **IO_agbp, xfs_ino_t *inop) { @@ -1692,6 +1687,7 @@ xfs_dialloc( int noroom = 0; xfs_agnumber_t start_agno; struct xfs_perag *pag; + int okalloc = 1; if (*IO_agbp) { /* @@ -1707,7 +1703,7 @@ xfs_dialloc( * We do not have an agbp, so select an initial allocation * group for inode allocation. */ - start_agno = xfs_ialloc_ag_select(tp, parent, mode, okalloc); + start_agno = xfs_ialloc_ag_select(tp, parent, mode); if (start_agno == NULLAGNUMBER) { *inop = NULLFSINO; return 0; diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h index d2bdcd5e7312..66a8de0b1caa 100644 --- a/fs/xfs/libxfs/xfs_ialloc.h +++ b/fs/xfs/libxfs/xfs_ialloc.h @@ -81,7 +81,6 @@ xfs_dialloc( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t parent, /* parent inode (directory) */ umode_t mode, /* mode bits for new inode */ - int okalloc, /* ok to allocate more space */ struct xfs_buf **agbp, /* buf for a.g. inode header */ xfs_ino_t *inop); /* inode number allocated */ diff --git a/fs/xfs/libxfs/xfs_iext_tree.c b/fs/xfs/libxfs/xfs_iext_tree.c index 89bf16b4d937..b0f31791c7e6 100644 --- a/fs/xfs/libxfs/xfs_iext_tree.c +++ b/fs/xfs/libxfs/xfs_iext_tree.c @@ -632,8 +632,6 @@ xfs_iext_insert( struct xfs_iext_leaf *new = NULL; int nr_entries, i; - trace_xfs_iext_insert(ip, cur, state, _RET_IP_); - if (ifp->if_height == 0) xfs_iext_alloc_root(ifp, cur); else if (ifp->if_height == 1) @@ -661,6 +659,8 @@ xfs_iext_insert( xfs_iext_set(cur_rec(cur), irec); ifp->if_bytes += sizeof(struct xfs_iext_rec); + trace_xfs_iext_insert(ip, cur, state, _RET_IP_); + if (new) xfs_iext_insert_node(ifp, xfs_iext_leaf_key(new, 0), new, 2); } diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index 585b35d34142..c40d26763075 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1488,27 +1488,12 @@ __xfs_refcount_cow_alloc( xfs_extlen_t aglen, struct xfs_defer_ops *dfops) { - int error; - trace_xfs_refcount_cow_increase(rcur->bc_mp, rcur->bc_private.a.agno, agbno, aglen); /* Add refcount btree reservation */ - error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + return xfs_refcount_adjust_cow(rcur, agbno, aglen, XFS_REFCOUNT_ADJUST_COW_ALLOC, dfops); - if (error) - return error; - - /* Add rmap entry */ - if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { - error = xfs_rmap_alloc_extent(rcur->bc_mp, dfops, - rcur->bc_private.a.agno, - agbno, aglen, XFS_RMAP_OWN_COW); - if (error) - return error; - } - - return error; } /* @@ -1521,27 +1506,12 @@ __xfs_refcount_cow_free( xfs_extlen_t aglen, struct xfs_defer_ops *dfops) { - int error; - trace_xfs_refcount_cow_decrease(rcur->bc_mp, rcur->bc_private.a.agno, agbno, aglen); /* Remove refcount btree reservation */ - error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + return xfs_refcount_adjust_cow(rcur, agbno, aglen, XFS_REFCOUNT_ADJUST_COW_FREE, dfops); - if (error) - return error; - - /* Remove rmap entry */ - if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { - error = xfs_rmap_free_extent(rcur->bc_mp, dfops, - rcur->bc_private.a.agno, - agbno, aglen, XFS_RMAP_OWN_COW); - if (error) - return error; - } - - return error; } /* Record a CoW staging extent in the refcount btree. */ @@ -1552,11 +1522,19 @@ xfs_refcount_alloc_cow_extent( xfs_fsblock_t fsb, xfs_extlen_t len) { + int error; + if (!xfs_sb_version_hasreflink(&mp->m_sb)) return 0; - return __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_ALLOC_COW, + error = __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_ALLOC_COW, fsb, len); + if (error) + return error; + + /* Add rmap entry */ + return xfs_rmap_alloc_extent(mp, dfops, XFS_FSB_TO_AGNO(mp, fsb), + XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW); } /* Forget a CoW staging event in the refcount btree. */ @@ -1567,9 +1545,17 @@ xfs_refcount_free_cow_extent( xfs_fsblock_t fsb, xfs_extlen_t len) { + int error; + if (!xfs_sb_version_hasreflink(&mp->m_sb)) return 0; + /* Remove rmap entry */ + error = xfs_rmap_free_extent(mp, dfops, XFS_FSB_TO_AGNO(mp, fsb), + XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW); + if (error) + return error; + return __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_FREE_COW, fsb, len); } diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index dd019cee1b3b..50db920ceeeb 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -368,6 +368,51 @@ xfs_rmap_lookup_le_range( } /* + * Perform all the relevant owner checks for a removal op. If we're doing an + * unknown-owner removal then we have no owner information to check. + */ +static int +xfs_rmap_free_check_owner( + struct xfs_mount *mp, + uint64_t ltoff, + struct xfs_rmap_irec *rec, + xfs_fsblock_t bno, + xfs_filblks_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + int error = 0; + + if (owner == XFS_RMAP_OWN_UNKNOWN) + return 0; + + /* Make sure the unwritten flag matches. */ + XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == + (rec->rm_flags & XFS_RMAP_UNWRITTEN), out); + + /* Make sure the owner matches what we expect to find in the tree. */ + XFS_WANT_CORRUPTED_GOTO(mp, owner == rec->rm_owner, out); + + /* Check the offset, if necessary. */ + if (XFS_RMAP_NON_INODE_OWNER(owner)) + goto out; + + if (flags & XFS_RMAP_BMBT_BLOCK) { + XFS_WANT_CORRUPTED_GOTO(mp, rec->rm_flags & XFS_RMAP_BMBT_BLOCK, + out); + } else { + XFS_WANT_CORRUPTED_GOTO(mp, rec->rm_offset <= offset, out); + XFS_WANT_CORRUPTED_GOTO(mp, + ltoff + rec->rm_blockcount >= offset + len, + out); + } + +out: + return error; +} + +/* * Find the extent in the rmap btree and remove it. * * The record we find should always be an exact match for the extent that we're @@ -444,33 +489,40 @@ xfs_rmap_unmap( goto out_done; } - /* Make sure the unwritten flag matches. */ - XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == - (ltrec.rm_flags & XFS_RMAP_UNWRITTEN), out_error); + /* + * If we're doing an unknown-owner removal for EFI recovery, we expect + * to find the full range in the rmapbt or nothing at all. If we + * don't find any rmaps overlapping either end of the range, we're + * done. Hopefully this means that the EFI creator already queued + * (and finished) a RUI to remove the rmap. + */ + if (owner == XFS_RMAP_OWN_UNKNOWN && + ltrec.rm_startblock + ltrec.rm_blockcount <= bno) { + struct xfs_rmap_irec rtrec; + + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto out_error; + if (i == 0) + goto out_done; + error = xfs_rmap_get_rec(cur, &rtrec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + if (rtrec.rm_startblock >= bno + len) + goto out_done; + } /* Make sure the extent we found covers the entire freeing range. */ XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_startblock <= bno && - ltrec.rm_startblock + ltrec.rm_blockcount >= - bno + len, out_error); + ltrec.rm_startblock + ltrec.rm_blockcount >= + bno + len, out_error); - /* Make sure the owner matches what we expect to find in the tree. */ - XFS_WANT_CORRUPTED_GOTO(mp, owner == ltrec.rm_owner || - XFS_RMAP_NON_INODE_OWNER(owner), out_error); - - /* Check the offset, if necessary. */ - if (!XFS_RMAP_NON_INODE_OWNER(owner)) { - if (flags & XFS_RMAP_BMBT_BLOCK) { - XFS_WANT_CORRUPTED_GOTO(mp, - ltrec.rm_flags & XFS_RMAP_BMBT_BLOCK, - out_error); - } else { - XFS_WANT_CORRUPTED_GOTO(mp, - ltrec.rm_offset <= offset, out_error); - XFS_WANT_CORRUPTED_GOTO(mp, - ltoff + ltrec.rm_blockcount >= offset + len, - out_error); - } - } + /* Check owner information. */ + error = xfs_rmap_free_check_owner(mp, ltoff, <rec, bno, len, owner, + offset, flags); + if (error) + goto out_error; if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) { /* exact match, simply remove the record from rmap tree */ @@ -664,6 +716,7 @@ xfs_rmap_map( flags |= XFS_RMAP_UNWRITTEN; trace_xfs_rmap_map(mp, cur->bc_private.a.agno, bno, len, unwritten, oinfo); + ASSERT(!xfs_rmap_should_skip_owner_update(oinfo)); /* * For the initial lookup, look for an exact match or the left-adjacent diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h index 466ede637080..0fcd5b1ba729 100644 --- a/fs/xfs/libxfs/xfs_rmap.h +++ b/fs/xfs/libxfs/xfs_rmap.h @@ -61,7 +61,21 @@ static inline void xfs_rmap_skip_owner_update( struct xfs_owner_info *oi) { - oi->oi_owner = XFS_RMAP_OWN_UNKNOWN; + xfs_rmap_ag_owner(oi, XFS_RMAP_OWN_NULL); +} + +static inline bool +xfs_rmap_should_skip_owner_update( + struct xfs_owner_info *oi) +{ + return oi->oi_owner == XFS_RMAP_OWN_NULL; +} + +static inline void +xfs_rmap_any_owner_update( + struct xfs_owner_info *oi) +{ + xfs_rmap_ag_owner(oi, XFS_RMAP_OWN_UNKNOWN); } /* Reverse mapping functions. */ diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c index 637b7a892313..f120fb20452f 100644 --- a/fs/xfs/scrub/inode.c +++ b/fs/xfs/scrub/inode.c @@ -318,8 +318,20 @@ xfs_scrub_dinode( /* di_mode */ mode = be16_to_cpu(dip->di_mode); - if (mode & ~(S_IALLUGO | S_IFMT)) + switch (mode & S_IFMT) { + case S_IFLNK: + case S_IFREG: + case S_IFDIR: + case S_IFCHR: + case S_IFBLK: + case S_IFIFO: + case S_IFSOCK: + /* mode is recognized */ + break; + default: xfs_scrub_ino_set_corrupt(sc, ino, bp); + break; + } /* v1/v2 fields */ switch (dip->di_version) { diff --git a/fs/xfs/scrub/quota.c b/fs/xfs/scrub/quota.c index 8e58ba842946..3d9037eceaf1 100644 --- a/fs/xfs/scrub/quota.c +++ b/fs/xfs/scrub/quota.c @@ -107,7 +107,7 @@ xfs_scrub_quota_item( unsigned long long rcount; xfs_ino_t fs_icount; - offset = id * qi->qi_dqperchunk; + offset = id / qi->qi_dqperchunk; /* * We fed $id and DQNEXT into the xfs_qm_dqget call, which means @@ -207,7 +207,7 @@ xfs_scrub_quota( xfs_dqid_t id = 0; uint dqtype; int nimaps; - int error; + int error = 0; if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp)) return -ENOENT; diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c index 9c42c4efd01e..ab3aef2ae823 100644 --- a/fs/xfs/scrub/scrub.c +++ b/fs/xfs/scrub/scrub.c @@ -46,7 +46,6 @@ #include "scrub/scrub.h" #include "scrub/common.h" #include "scrub/trace.h" -#include "scrub/scrub.h" #include "scrub/btree.h" /* diff --git a/fs/xfs/scrub/trace.c b/fs/xfs/scrub/trace.c index 472080e75788..86daed0e3a45 100644 --- a/fs/xfs/scrub/trace.c +++ b/fs/xfs/scrub/trace.c @@ -26,7 +26,6 @@ #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_da_format.h" -#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_trans.h" diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index a3eeaba156c5..4fc526a27a94 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -399,7 +399,7 @@ xfs_map_blocks( (ip->i_df.if_flags & XFS_IFEXTENTS)); ASSERT(offset <= mp->m_super->s_maxbytes); - if (offset + count > mp->m_super->s_maxbytes) + if (offset > mp->m_super->s_maxbytes - count) count = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); offset_fsb = XFS_B_TO_FSBT(mp, offset); @@ -896,13 +896,13 @@ xfs_writepage_map( struct writeback_control *wbc, struct inode *inode, struct page *page, - loff_t offset, - uint64_t end_offset) + uint64_t end_offset) { LIST_HEAD(submit_list); struct xfs_ioend *ioend, *next; struct buffer_head *bh, *head; ssize_t len = i_blocksize(inode); + uint64_t offset; int error = 0; int count = 0; int uptodate = 1; @@ -1146,7 +1146,7 @@ xfs_do_writepage( end_offset = offset; } - return xfs_writepage_map(wpc, wbc, inode, page, offset, end_offset); + return xfs_writepage_map(wpc, wbc, inode, page, end_offset); redirty: redirty_page_for_writepage(wbc, page); @@ -1265,7 +1265,7 @@ xfs_map_trim_size( if (mapping_size > size) mapping_size = size; if (offset < i_size_read(inode) && - offset + mapping_size >= i_size_read(inode)) { + (xfs_ufsize_t)offset + mapping_size >= i_size_read(inode)) { /* limit mapping to block that spans EOF */ mapping_size = roundup_64(i_size_read(inode) - offset, i_blocksize(inode)); @@ -1312,7 +1312,7 @@ xfs_get_blocks( lockmode = xfs_ilock_data_map_shared(ip); ASSERT(offset <= mp->m_super->s_maxbytes); - if (offset + size > mp->m_super->s_maxbytes) + if (offset > mp->m_super->s_maxbytes - size) size = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size); offset_fsb = XFS_B_TO_FSBT(mp, offset); diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c index dd136f7275e4..e5fb008d75e8 100644 --- a/fs/xfs/xfs_bmap_item.c +++ b/fs/xfs/xfs_bmap_item.c @@ -389,7 +389,8 @@ xfs_bud_init( int xfs_bui_recover( struct xfs_mount *mp, - struct xfs_bui_log_item *buip) + struct xfs_bui_log_item *buip, + struct xfs_defer_ops *dfops) { int error = 0; unsigned int bui_type; @@ -404,9 +405,7 @@ xfs_bui_recover( xfs_exntst_t state; struct xfs_trans *tp; struct xfs_inode *ip = NULL; - struct xfs_defer_ops dfops; struct xfs_bmbt_irec irec; - xfs_fsblock_t firstfsb; ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags)); @@ -464,7 +463,6 @@ xfs_bui_recover( if (VFS_I(ip)->i_nlink == 0) xfs_iflags_set(ip, XFS_IRECOVERY); - xfs_defer_init(&dfops, &firstfsb); /* Process deferred bmap item. */ state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ? @@ -479,16 +477,16 @@ xfs_bui_recover( break; default: error = -EFSCORRUPTED; - goto err_dfops; + goto err_inode; } xfs_trans_ijoin(tp, ip, 0); count = bmap->me_len; - error = xfs_trans_log_finish_bmap_update(tp, budp, &dfops, type, + error = xfs_trans_log_finish_bmap_update(tp, budp, dfops, type, ip, whichfork, bmap->me_startoff, bmap->me_startblock, &count, state); if (error) - goto err_dfops; + goto err_inode; if (count > 0) { ASSERT(type == XFS_BMAP_UNMAP); @@ -496,16 +494,11 @@ xfs_bui_recover( irec.br_blockcount = count; irec.br_startoff = bmap->me_startoff; irec.br_state = state; - error = xfs_bmap_unmap_extent(tp->t_mountp, &dfops, ip, &irec); + error = xfs_bmap_unmap_extent(tp->t_mountp, dfops, ip, &irec); if (error) - goto err_dfops; + goto err_inode; } - /* Finish transaction, free inodes. */ - error = xfs_defer_finish(&tp, &dfops); - if (error) - goto err_dfops; - set_bit(XFS_BUI_RECOVERED, &buip->bui_flags); error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -513,8 +506,6 @@ xfs_bui_recover( return error; -err_dfops: - xfs_defer_cancel(&dfops); err_inode: xfs_trans_cancel(tp); if (ip) { diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h index c867daae4a3c..24b354a2c836 100644 --- a/fs/xfs/xfs_bmap_item.h +++ b/fs/xfs/xfs_bmap_item.h @@ -93,6 +93,7 @@ struct xfs_bud_log_item *xfs_bud_init(struct xfs_mount *, struct xfs_bui_log_item *); void xfs_bui_item_free(struct xfs_bui_log_item *); void xfs_bui_release(struct xfs_bui_log_item *); -int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip); +int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip, + struct xfs_defer_ops *dfops); #endif /* __XFS_BMAP_ITEM_H__ */ diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 4db6e8d780f6..4c6e86d861fd 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1815,22 +1815,27 @@ xfs_alloc_buftarg( btp->bt_daxdev = dax_dev; if (xfs_setsize_buftarg_early(btp, bdev)) - goto error; + goto error_free; if (list_lru_init(&btp->bt_lru)) - goto error; + goto error_free; if (percpu_counter_init(&btp->bt_io_count, 0, GFP_KERNEL)) - goto error; + goto error_lru; btp->bt_shrinker.count_objects = xfs_buftarg_shrink_count; btp->bt_shrinker.scan_objects = xfs_buftarg_shrink_scan; btp->bt_shrinker.seeks = DEFAULT_SEEKS; btp->bt_shrinker.flags = SHRINKER_NUMA_AWARE; - register_shrinker(&btp->bt_shrinker); + if (register_shrinker(&btp->bt_shrinker)) + goto error_pcpu; return btp; -error: +error_pcpu: + percpu_counter_destroy(&btp->bt_io_count); +error_lru: + list_lru_destroy(&btp->bt_lru); +error_free: kmem_free(btp); return NULL; } diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index d57c2db64e59..f248708c10ff 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -970,14 +970,22 @@ xfs_qm_dqflush_done( * holding the lock before removing the dquot from the AIL. */ if ((lip->li_flags & XFS_LI_IN_AIL) && - lip->li_lsn == qip->qli_flush_lsn) { + ((lip->li_lsn == qip->qli_flush_lsn) || + (lip->li_flags & XFS_LI_FAILED))) { /* xfs_trans_ail_delete() drops the AIL lock. */ spin_lock(&ailp->xa_lock); - if (lip->li_lsn == qip->qli_flush_lsn) + if (lip->li_lsn == qip->qli_flush_lsn) { xfs_trans_ail_delete(ailp, lip, SHUTDOWN_CORRUPT_INCORE); - else + } else { + /* + * Clear the failed state since we are about to drop the + * flush lock + */ + if (lip->li_flags & XFS_LI_FAILED) + xfs_clear_li_failed(lip); spin_unlock(&ailp->xa_lock); + } } /* diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c index 2c7a1629e064..664dea105e76 100644 --- a/fs/xfs/xfs_dquot_item.c +++ b/fs/xfs/xfs_dquot_item.c @@ -137,6 +137,26 @@ xfs_qm_dqunpin_wait( wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0)); } +/* + * Callback used to mark a buffer with XFS_LI_FAILED when items in the buffer + * have been failed during writeback + * + * this informs the AIL that the dquot is already flush locked on the next push, + * and acquires a hold on the buffer to ensure that it isn't reclaimed before + * dirty data makes it to disk. + */ +STATIC void +xfs_dquot_item_error( + struct xfs_log_item *lip, + struct xfs_buf *bp) +{ + struct xfs_dquot *dqp; + + dqp = DQUOT_ITEM(lip)->qli_dquot; + ASSERT(!completion_done(&dqp->q_flush)); + xfs_set_li_failed(lip, bp); +} + STATIC uint xfs_qm_dquot_logitem_push( struct xfs_log_item *lip, @@ -144,13 +164,28 @@ xfs_qm_dquot_logitem_push( __acquires(&lip->li_ailp->xa_lock) { struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot; - struct xfs_buf *bp = NULL; + struct xfs_buf *bp = lip->li_buf; uint rval = XFS_ITEM_SUCCESS; int error; if (atomic_read(&dqp->q_pincount) > 0) return XFS_ITEM_PINNED; + /* + * The buffer containing this item failed to be written back + * previously. Resubmit the buffer for IO + */ + if (lip->li_flags & XFS_LI_FAILED) { + if (!xfs_buf_trylock(bp)) + return XFS_ITEM_LOCKED; + + if (!xfs_buf_resubmit_failed_buffers(bp, lip, buffer_list)) + rval = XFS_ITEM_FLUSHING; + + xfs_buf_unlock(bp); + return rval; + } + if (!xfs_dqlock_nowait(dqp)) return XFS_ITEM_LOCKED; @@ -242,7 +277,8 @@ static const struct xfs_item_ops xfs_dquot_item_ops = { .iop_unlock = xfs_qm_dquot_logitem_unlock, .iop_committed = xfs_qm_dquot_logitem_committed, .iop_push = xfs_qm_dquot_logitem_push, - .iop_committing = xfs_qm_dquot_logitem_committing + .iop_committing = xfs_qm_dquot_logitem_committing, + .iop_error = xfs_dquot_item_error }; /* diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 44f8c5451210..64da90655e95 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -538,7 +538,7 @@ xfs_efi_recover( return error; efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents); - xfs_rmap_skip_owner_update(&oinfo); + xfs_rmap_any_owner_update(&oinfo); for (i = 0; i < efip->efi_format.efi_nextents; i++) { extp = &efip->efi_format.efi_extents[i]; error = xfs_trans_free_extent(tp, efdp, extp->ext_start, diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 8f22fc579dbb..60a2e128cb6a 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -571,6 +571,11 @@ xfs_growfs_data_private( * this doesn't actually exist in the rmap btree. */ xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_NULL); + error = xfs_rmap_free(tp, bp, agno, + be32_to_cpu(agf->agf_length) - new, + new, &oinfo); + if (error) + goto error0; error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno, be32_to_cpu(agf->agf_length) - new), diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 43005fbe8b1e..3861d61fb265 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -870,7 +870,7 @@ xfs_eofblocks_worker( * based on the 'speculative_cow_prealloc_lifetime' tunable (5m by default). * (We'll just piggyback on the post-EOF prealloc space workqueue.) */ -STATIC void +void xfs_queue_cowblocks( struct xfs_mount *mp) { @@ -1536,8 +1536,23 @@ xfs_inode_free_quota_eofblocks( return __xfs_inode_free_quota_eofblocks(ip, xfs_icache_free_eofblocks); } +static inline unsigned long +xfs_iflag_for_tag( + int tag) +{ + switch (tag) { + case XFS_ICI_EOFBLOCKS_TAG: + return XFS_IEOFBLOCKS; + case XFS_ICI_COWBLOCKS_TAG: + return XFS_ICOWBLOCKS; + default: + ASSERT(0); + return 0; + } +} + static void -__xfs_inode_set_eofblocks_tag( +__xfs_inode_set_blocks_tag( xfs_inode_t *ip, void (*execute)(struct xfs_mount *mp), void (*set_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, @@ -1552,10 +1567,10 @@ __xfs_inode_set_eofblocks_tag( * Don't bother locking the AG and looking up in the radix trees * if we already know that we have the tag set. */ - if (ip->i_flags & XFS_IEOFBLOCKS) + if (ip->i_flags & xfs_iflag_for_tag(tag)) return; spin_lock(&ip->i_flags_lock); - ip->i_flags |= XFS_IEOFBLOCKS; + ip->i_flags |= xfs_iflag_for_tag(tag); spin_unlock(&ip->i_flags_lock); pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); @@ -1587,13 +1602,13 @@ xfs_inode_set_eofblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_set_eofblocks_tag(ip); - return __xfs_inode_set_eofblocks_tag(ip, xfs_queue_eofblocks, + return __xfs_inode_set_blocks_tag(ip, xfs_queue_eofblocks, trace_xfs_perag_set_eofblocks, XFS_ICI_EOFBLOCKS_TAG); } static void -__xfs_inode_clear_eofblocks_tag( +__xfs_inode_clear_blocks_tag( xfs_inode_t *ip, void (*clear_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, int error, unsigned long caller_ip), @@ -1603,7 +1618,7 @@ __xfs_inode_clear_eofblocks_tag( struct xfs_perag *pag; spin_lock(&ip->i_flags_lock); - ip->i_flags &= ~XFS_IEOFBLOCKS; + ip->i_flags &= ~xfs_iflag_for_tag(tag); spin_unlock(&ip->i_flags_lock); pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); @@ -1630,7 +1645,7 @@ xfs_inode_clear_eofblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_clear_eofblocks_tag(ip); - return __xfs_inode_clear_eofblocks_tag(ip, + return __xfs_inode_clear_blocks_tag(ip, trace_xfs_perag_clear_eofblocks, XFS_ICI_EOFBLOCKS_TAG); } @@ -1724,7 +1739,7 @@ xfs_inode_set_cowblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_set_cowblocks_tag(ip); - return __xfs_inode_set_eofblocks_tag(ip, xfs_queue_cowblocks, + return __xfs_inode_set_blocks_tag(ip, xfs_queue_cowblocks, trace_xfs_perag_set_cowblocks, XFS_ICI_COWBLOCKS_TAG); } @@ -1734,6 +1749,6 @@ xfs_inode_clear_cowblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_clear_cowblocks_tag(ip); - return __xfs_inode_clear_eofblocks_tag(ip, + return __xfs_inode_clear_blocks_tag(ip, trace_xfs_perag_clear_cowblocks, XFS_ICI_COWBLOCKS_TAG); } diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index bff4d85e5498..d4a77588eca1 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -81,6 +81,7 @@ void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *); int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip); void xfs_cowblocks_worker(struct work_struct *); +void xfs_queue_cowblocks(struct xfs_mount *); int xfs_inode_ag_iterator(struct xfs_mount *mp, int (*execute)(struct xfs_inode *ip, int flags, void *args), diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 61d1cb7dc10d..6f95bdb408ce 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -749,7 +749,6 @@ xfs_ialloc( xfs_nlink_t nlink, dev_t rdev, prid_t prid, - int okalloc, xfs_buf_t **ialloc_context, xfs_inode_t **ipp) { @@ -765,7 +764,7 @@ xfs_ialloc( * Call the space management code to pick * the on-disk inode to be allocated. */ - error = xfs_dialloc(tp, pip ? pip->i_ino : 0, mode, okalloc, + error = xfs_dialloc(tp, pip ? pip->i_ino : 0, mode, ialloc_context, &ino); if (error) return error; @@ -957,7 +956,6 @@ xfs_dir_ialloc( xfs_nlink_t nlink, dev_t rdev, prid_t prid, /* project id */ - int okalloc, /* ok to allocate new space */ xfs_inode_t **ipp, /* pointer to inode; it will be locked. */ int *committed) @@ -988,8 +986,8 @@ xfs_dir_ialloc( * transaction commit so that no other process can steal * the inode(s) that we've just allocated. */ - code = xfs_ialloc(tp, dp, mode, nlink, rdev, prid, okalloc, - &ialloc_context, &ip); + code = xfs_ialloc(tp, dp, mode, nlink, rdev, prid, &ialloc_context, + &ip); /* * Return an error if we were unable to allocate a new inode. @@ -1061,7 +1059,7 @@ xfs_dir_ialloc( * this call should always succeed. */ code = xfs_ialloc(tp, dp, mode, nlink, rdev, prid, - okalloc, &ialloc_context, &ip); + &ialloc_context, &ip); /* * If we get an error at this point, return to the caller @@ -1182,11 +1180,6 @@ xfs_create( xfs_flush_inodes(mp); error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp); } - if (error == -ENOSPC) { - /* No space at all so try a "no-allocation" reservation */ - resblks = 0; - error = xfs_trans_alloc(mp, tres, 0, 0, 0, &tp); - } if (error) goto out_release_inode; @@ -1203,19 +1196,13 @@ xfs_create( if (error) goto out_trans_cancel; - if (!resblks) { - error = xfs_dir_canenter(tp, dp, name); - if (error) - goto out_trans_cancel; - } - /* * A newly created regular or special file just has one directory * entry pointing to them, but a directory also the "." entry * pointing to itself. */ - error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, - prid, resblks > 0, &ip, NULL); + error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, prid, &ip, + NULL); if (error) goto out_trans_cancel; @@ -1340,11 +1327,6 @@ xfs_create_tmpfile( tres = &M_RES(mp)->tr_create_tmpfile; error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp); - if (error == -ENOSPC) { - /* No space at all so try a "no-allocation" reservation */ - resblks = 0; - error = xfs_trans_alloc(mp, tres, 0, 0, 0, &tp); - } if (error) goto out_release_inode; @@ -1353,8 +1335,7 @@ xfs_create_tmpfile( if (error) goto out_trans_cancel; - error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, - prid, resblks > 0, &ip, NULL); + error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, prid, &ip, NULL); if (error) goto out_trans_cancel; @@ -1506,6 +1487,24 @@ xfs_link( return error; } +/* Clear the reflink flag and the cowblocks tag if possible. */ +static void +xfs_itruncate_clear_reflink_flags( + struct xfs_inode *ip) +{ + struct xfs_ifork *dfork; + struct xfs_ifork *cfork; + + if (!xfs_is_reflink_inode(ip)) + return; + dfork = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + cfork = XFS_IFORK_PTR(ip, XFS_COW_FORK); + if (dfork->if_bytes == 0 && cfork->if_bytes == 0) + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + if (cfork->if_bytes == 0) + xfs_inode_clear_cowblocks_tag(ip); +} + /* * Free up the underlying blocks past new_size. The new size must be smaller * than the current size. This routine can be used both for the attribute and @@ -1602,15 +1601,7 @@ xfs_itruncate_extents( if (error) goto out; - /* - * Clear the reflink flag if there are no data fork blocks and - * there are no extents staged in the cow fork. - */ - if (xfs_is_reflink_inode(ip) && ip->i_cnextents == 0) { - if (ip->i_d.di_nblocks == 0) - ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; - xfs_inode_clear_cowblocks_tag(ip); - } + xfs_itruncate_clear_reflink_flags(ip); /* * Always re-log the inode so that our permanent transaction can keep @@ -2401,6 +2392,24 @@ retry: } /* + * Free any local-format buffers sitting around before we reset to + * extents format. + */ +static inline void +xfs_ifree_local_data( + struct xfs_inode *ip, + int whichfork) +{ + struct xfs_ifork *ifp; + + if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) + return; + + ifp = XFS_IFORK_PTR(ip, whichfork); + xfs_idata_realloc(ip, -ifp->if_bytes, whichfork); +} + +/* * This is called to return an inode to the inode free list. * The inode should already be truncated to 0 length and have * no pages associated with it. This routine also assumes that @@ -2437,6 +2446,9 @@ xfs_ifree( if (error) return error; + xfs_ifree_local_data(ip, XFS_DATA_FORK); + xfs_ifree_local_data(ip, XFS_ATTR_FORK); + VFS_I(ip)->i_mode = 0; /* mark incore inode as free */ ip->i_d.di_flags = 0; ip->i_d.di_dmevmask = 0; diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index cc13c3763721..d383e392ec9d 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -232,6 +232,7 @@ static inline bool xfs_is_reflink_inode(struct xfs_inode *ip) * log recovery to replay a bmap operation on the inode. */ #define XFS_IRECOVERY (1 << 11) +#define XFS_ICOWBLOCKS (1 << 12)/* has the cowblocks tag set */ /* * Per-lifetime flags need to be reset when re-using a reclaimable inode during @@ -428,7 +429,7 @@ xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip); xfs_extlen_t xfs_get_cowextsz_hint(struct xfs_inode *ip); int xfs_dir_ialloc(struct xfs_trans **, struct xfs_inode *, umode_t, - xfs_nlink_t, dev_t, prid_t, int, + xfs_nlink_t, dev_t, prid_t, struct xfs_inode **, int *); /* from xfs_file.c */ diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 33eb4fb2e3fd..66e1edbfb2b2 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1006,7 +1006,7 @@ xfs_file_iomap_begin( } ASSERT(offset <= mp->m_super->s_maxbytes); - if ((xfs_fsize_t)offset + length > mp->m_super->s_maxbytes) + if (offset > mp->m_super->s_maxbytes - length) length = mp->m_super->s_maxbytes - offset; offset_fsb = XFS_B_TO_FSBT(mp, offset); end_fsb = XFS_B_TO_FSB(mp, offset + length); @@ -1213,7 +1213,7 @@ xfs_xattr_iomap_begin( ASSERT(ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL); error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap, - &nimaps, XFS_BMAPI_ENTIRE | XFS_BMAPI_ATTRFORK); + &nimaps, XFS_BMAPI_ATTRFORK); out_unlock: xfs_iunlock(ip, lockmode); diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 38d4227895ae..a503af96d780 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -781,17 +781,17 @@ xfs_log_mount_finish( * something to an unlinked inode, the irele won't cause * premature truncation and freeing of the inode, which results * in log recovery failure. We have to evict the unreferenced - * lru inodes after clearing MS_ACTIVE because we don't + * lru inodes after clearing SB_ACTIVE because we don't * otherwise clean up the lru if there's a subsequent failure in * xfs_mountfs, which leads to us leaking the inodes if nothing * else (e.g. quotacheck) references the inodes before the * mount failure occurs. */ - mp->m_super->s_flags |= MS_ACTIVE; + mp->m_super->s_flags |= SB_ACTIVE; error = xlog_recover_finish(mp->m_log); if (!error) xfs_log_work_queue(mp); - mp->m_super->s_flags &= ~MS_ACTIVE; + mp->m_super->s_flags &= ~SB_ACTIVE; evict_inodes(mp->m_super); /* diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 87b1c331f9eb..28d1abfe835e 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" @@ -4716,7 +4717,8 @@ STATIC int xlog_recover_process_cui( struct xfs_mount *mp, struct xfs_ail *ailp, - struct xfs_log_item *lip) + struct xfs_log_item *lip, + struct xfs_defer_ops *dfops) { struct xfs_cui_log_item *cuip; int error; @@ -4729,7 +4731,7 @@ xlog_recover_process_cui( return 0; spin_unlock(&ailp->xa_lock); - error = xfs_cui_recover(mp, cuip); + error = xfs_cui_recover(mp, cuip, dfops); spin_lock(&ailp->xa_lock); return error; @@ -4756,7 +4758,8 @@ STATIC int xlog_recover_process_bui( struct xfs_mount *mp, struct xfs_ail *ailp, - struct xfs_log_item *lip) + struct xfs_log_item *lip, + struct xfs_defer_ops *dfops) { struct xfs_bui_log_item *buip; int error; @@ -4769,7 +4772,7 @@ xlog_recover_process_bui( return 0; spin_unlock(&ailp->xa_lock); - error = xfs_bui_recover(mp, buip); + error = xfs_bui_recover(mp, buip, dfops); spin_lock(&ailp->xa_lock); return error; @@ -4805,6 +4808,46 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip) } } +/* Take all the collected deferred ops and finish them in order. */ +static int +xlog_finish_defer_ops( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops) +{ + struct xfs_trans *tp; + int64_t freeblks; + uint resblks; + int error; + + /* + * We're finishing the defer_ops that accumulated as a result of + * recovering unfinished intent items during log recovery. We + * reserve an itruncate transaction because it is the largest + * permanent transaction type. Since we're the only user of the fs + * right now, take 93% (15/16) of the available free blocks. Use + * weird math to avoid a 64-bit division. + */ + freeblks = percpu_counter_sum(&mp->m_fdblocks); + if (freeblks <= 0) + return -ENOSPC; + resblks = min_t(int64_t, UINT_MAX, freeblks); + resblks = (resblks * 15) >> 4; + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, resblks, + 0, XFS_TRANS_RESERVE, &tp); + if (error) + return error; + + error = xfs_defer_finish(&tp, dfops); + if (error) + goto out_cancel; + + return xfs_trans_commit(tp); + +out_cancel: + xfs_trans_cancel(tp); + return error; +} + /* * When this is called, all of the log intent items which did not have * corresponding log done items should be in the AIL. What we do now @@ -4825,10 +4868,12 @@ STATIC int xlog_recover_process_intents( struct xlog *log) { - struct xfs_log_item *lip; - int error = 0; + struct xfs_defer_ops dfops; struct xfs_ail_cursor cur; + struct xfs_log_item *lip; struct xfs_ail *ailp; + xfs_fsblock_t firstfsb; + int error = 0; #if defined(DEBUG) || defined(XFS_WARN) xfs_lsn_t last_lsn; #endif @@ -4839,6 +4884,7 @@ xlog_recover_process_intents( #if defined(DEBUG) || defined(XFS_WARN) last_lsn = xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block); #endif + xfs_defer_init(&dfops, &firstfsb); while (lip != NULL) { /* * We're done when we see something other than an intent. @@ -4859,6 +4905,12 @@ xlog_recover_process_intents( */ ASSERT(XFS_LSN_CMP(last_lsn, lip->li_lsn) >= 0); + /* + * NOTE: If your intent processing routine can create more + * deferred ops, you /must/ attach them to the dfops in this + * routine or else those subsequent intents will get + * replayed in the wrong order! + */ switch (lip->li_type) { case XFS_LI_EFI: error = xlog_recover_process_efi(log->l_mp, ailp, lip); @@ -4867,10 +4919,12 @@ xlog_recover_process_intents( error = xlog_recover_process_rui(log->l_mp, ailp, lip); break; case XFS_LI_CUI: - error = xlog_recover_process_cui(log->l_mp, ailp, lip); + error = xlog_recover_process_cui(log->l_mp, ailp, lip, + &dfops); break; case XFS_LI_BUI: - error = xlog_recover_process_bui(log->l_mp, ailp, lip); + error = xlog_recover_process_bui(log->l_mp, ailp, lip, + &dfops); break; } if (error) @@ -4880,6 +4934,11 @@ xlog_recover_process_intents( out: xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); + if (error) + xfs_defer_cancel(&dfops); + else + error = xlog_finish_defer_ops(log->l_mp, &dfops); + return error; } diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 010a13a201aa..b897b11afb2c 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -48,7 +48,7 @@ STATIC int xfs_qm_init_quotainos(xfs_mount_t *); STATIC int xfs_qm_init_quotainfo(xfs_mount_t *); - +STATIC void xfs_qm_destroy_quotainos(xfs_quotainfo_t *qi); STATIC void xfs_qm_dqfree_one(struct xfs_dquot *dqp); /* * We use the batch lookup interface to iterate over the dquots as it @@ -695,9 +695,17 @@ xfs_qm_init_quotainfo( qinf->qi_shrinker.scan_objects = xfs_qm_shrink_scan; qinf->qi_shrinker.seeks = DEFAULT_SEEKS; qinf->qi_shrinker.flags = SHRINKER_NUMA_AWARE; - register_shrinker(&qinf->qi_shrinker); + + error = register_shrinker(&qinf->qi_shrinker); + if (error) + goto out_free_inos; + return 0; +out_free_inos: + mutex_destroy(&qinf->qi_quotaofflock); + mutex_destroy(&qinf->qi_tree_lock); + xfs_qm_destroy_quotainos(qinf); out_free_lru: list_lru_destroy(&qinf->qi_lru); out_free_qinf: @@ -706,7 +714,6 @@ out_free_qinf: return error; } - /* * Gets called when unmounting a filesystem or when all quotas get * turned off. @@ -723,19 +730,8 @@ xfs_qm_destroy_quotainfo( unregister_shrinker(&qi->qi_shrinker); list_lru_destroy(&qi->qi_lru); - - if (qi->qi_uquotaip) { - IRELE(qi->qi_uquotaip); - qi->qi_uquotaip = NULL; /* paranoia */ - } - if (qi->qi_gquotaip) { - IRELE(qi->qi_gquotaip); - qi->qi_gquotaip = NULL; - } - if (qi->qi_pquotaip) { - IRELE(qi->qi_pquotaip); - qi->qi_pquotaip = NULL; - } + xfs_qm_destroy_quotainos(qi); + mutex_destroy(&qi->qi_tree_lock); mutex_destroy(&qi->qi_quotaofflock); kmem_free(qi); mp->m_quotainfo = NULL; @@ -793,8 +789,8 @@ xfs_qm_qino_alloc( return error; if (need_alloc) { - error = xfs_dir_ialloc(&tp, NULL, S_IFREG, 1, 0, 0, 1, ip, - &committed); + error = xfs_dir_ialloc(&tp, NULL, S_IFREG, 1, 0, 0, ip, + &committed); if (error) { xfs_trans_cancel(tp); return error; @@ -1600,6 +1596,24 @@ error_rele: } STATIC void +xfs_qm_destroy_quotainos( + xfs_quotainfo_t *qi) +{ + if (qi->qi_uquotaip) { + IRELE(qi->qi_uquotaip); + qi->qi_uquotaip = NULL; /* paranoia */ + } + if (qi->qi_gquotaip) { + IRELE(qi->qi_gquotaip); + qi->qi_gquotaip = NULL; + } + if (qi->qi_pquotaip) { + IRELE(qi->qi_pquotaip); + qi->qi_pquotaip = NULL; + } +} + +STATIC void xfs_qm_dqfree_one( struct xfs_dquot *dqp) { diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index 8f2e2fac4255..3a55d6fc271b 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -393,7 +393,8 @@ xfs_cud_init( int xfs_cui_recover( struct xfs_mount *mp, - struct xfs_cui_log_item *cuip) + struct xfs_cui_log_item *cuip, + struct xfs_defer_ops *dfops) { int i; int error = 0; @@ -405,11 +406,9 @@ xfs_cui_recover( struct xfs_trans *tp; struct xfs_btree_cur *rcur = NULL; enum xfs_refcount_intent_type type; - xfs_fsblock_t firstfsb; xfs_fsblock_t new_fsb; xfs_extlen_t new_len; struct xfs_bmbt_irec irec; - struct xfs_defer_ops dfops; bool requeue_only = false; ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags)); @@ -465,7 +464,6 @@ xfs_cui_recover( return error; cudp = xfs_trans_get_cud(tp, cuip); - xfs_defer_init(&dfops, &firstfsb); for (i = 0; i < cuip->cui_format.cui_nextents; i++) { refc = &cuip->cui_format.cui_extents[i]; refc_type = refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK; @@ -485,7 +483,7 @@ xfs_cui_recover( new_len = refc->pe_len; } else error = xfs_trans_log_finish_refcount_update(tp, cudp, - &dfops, type, refc->pe_startblock, refc->pe_len, + dfops, type, refc->pe_startblock, refc->pe_len, &new_fsb, &new_len, &rcur); if (error) goto abort_error; @@ -497,21 +495,21 @@ xfs_cui_recover( switch (type) { case XFS_REFCOUNT_INCREASE: error = xfs_refcount_increase_extent( - tp->t_mountp, &dfops, &irec); + tp->t_mountp, dfops, &irec); break; case XFS_REFCOUNT_DECREASE: error = xfs_refcount_decrease_extent( - tp->t_mountp, &dfops, &irec); + tp->t_mountp, dfops, &irec); break; case XFS_REFCOUNT_ALLOC_COW: error = xfs_refcount_alloc_cow_extent( - tp->t_mountp, &dfops, + tp->t_mountp, dfops, irec.br_startblock, irec.br_blockcount); break; case XFS_REFCOUNT_FREE_COW: error = xfs_refcount_free_cow_extent( - tp->t_mountp, &dfops, + tp->t_mountp, dfops, irec.br_startblock, irec.br_blockcount); break; @@ -525,17 +523,12 @@ xfs_cui_recover( } xfs_refcount_finish_one_cleanup(tp, rcur, error); - error = xfs_defer_finish(&tp, &dfops); - if (error) - goto abort_defer; set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); error = xfs_trans_commit(tp); return error; abort_error: xfs_refcount_finish_one_cleanup(tp, rcur, error); -abort_defer: - xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h index 5b74dddfa64b..0e5327349a13 100644 --- a/fs/xfs/xfs_refcount_item.h +++ b/fs/xfs/xfs_refcount_item.h @@ -96,6 +96,7 @@ struct xfs_cud_log_item *xfs_cud_init(struct xfs_mount *, struct xfs_cui_log_item *); void xfs_cui_item_free(struct xfs_cui_log_item *); void xfs_cui_release(struct xfs_cui_log_item *); -int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip); +int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip, + struct xfs_defer_ops *dfops); #endif /* __XFS_REFCOUNT_ITEM_H__ */ diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index cc041a29eb70..47aea2e82c26 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -49,8 +49,6 @@ #include "xfs_alloc.h" #include "xfs_quota_defs.h" #include "xfs_quota.h" -#include "xfs_btree.h" -#include "xfs_bmap_btree.h" #include "xfs_reflink.h" #include "xfs_iomap.h" #include "xfs_rmap_btree.h" @@ -456,6 +454,8 @@ retry: if (error) goto out_bmap_cancel; + xfs_inode_set_cowblocks_tag(ip); + /* Finish up. */ error = xfs_defer_finish(&tp, &dfops); if (error) @@ -492,8 +492,9 @@ xfs_reflink_find_cow_mapping( struct xfs_iext_cursor icur; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL | XFS_ILOCK_SHARED)); - ASSERT(xfs_is_reflink_inode(ip)); + if (!xfs_is_reflink_inode(ip)) + return false; offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset); if (!xfs_iext_lookup_extent(ip, ifp, offset_fsb, &icur, &got)) return false; @@ -612,6 +613,9 @@ xfs_reflink_cancel_cow_blocks( /* Remove the mapping from the CoW fork. */ xfs_bmap_del_extent_cow(ip, &icur, &got, &del); + } else { + /* Didn't do anything, push cursor back. */ + xfs_iext_prev(ifp, &icur); } next_extent: if (!xfs_iext_get_extent(ifp, &icur, &got)) @@ -727,7 +731,7 @@ xfs_reflink_end_cow( (unsigned int)(end_fsb - offset_fsb), XFS_DATA_FORK); error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write, - resblks, 0, 0, &tp); + resblks, 0, XFS_TRANS_RESERVE, &tp); if (error) goto out; @@ -1293,6 +1297,17 @@ xfs_reflink_remap_range( trace_xfs_reflink_remap_range(src, pos_in, len, dest, pos_out); + /* + * Clear out post-eof preallocations because we don't have page cache + * backing the delayed allocations and they'll never get freed on + * their own. + */ + if (xfs_can_free_eofblocks(dest, true)) { + ret = xfs_free_eofblocks(dest); + if (ret) + goto out_unlock; + } + /* Set flags and remap blocks. */ ret = xfs_reflink_set_inode_flag(src, dest); if (ret) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f663022353c0..1dacccc367f8 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -212,9 +212,9 @@ xfs_parseargs( */ if (sb_rdonly(sb)) mp->m_flags |= XFS_MOUNT_RDONLY; - if (sb->s_flags & MS_DIRSYNC) + if (sb->s_flags & SB_DIRSYNC) mp->m_flags |= XFS_MOUNT_DIRSYNC; - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) mp->m_flags |= XFS_MOUNT_WSYNC; /* @@ -1312,7 +1312,7 @@ xfs_fs_remount( } /* ro -> rw */ - if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) { + if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & SB_RDONLY)) { if (mp->m_flags & XFS_MOUNT_NORECOVERY) { xfs_warn(mp, "ro->rw transition prohibited on norecovery mount"); @@ -1360,6 +1360,7 @@ xfs_fs_remount( xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); return error; } + xfs_queue_cowblocks(mp); /* Create the per-AG metadata reservation pool .*/ error = xfs_fs_reserve_ag_blocks(mp); @@ -1368,7 +1369,15 @@ xfs_fs_remount( } /* rw -> ro */ - if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) { + if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & SB_RDONLY)) { + /* Get rid of any leftover CoW reservations... */ + cancel_delayed_work_sync(&mp->m_cowblocks_work); + error = xfs_icache_free_cowblocks(mp, NULL); + if (error) { + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); + return error; + } + /* Free the per-AG metadata reservation pool. */ error = xfs_fs_unreserve_ag_blocks(mp); if (error) { diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h index 5f2f32408011..fcc5dfc70aa0 100644 --- a/fs/xfs/xfs_super.h +++ b/fs/xfs/xfs_super.h @@ -30,7 +30,7 @@ extern void xfs_qm_exit(void); #ifdef CONFIG_XFS_POSIX_ACL # define XFS_ACL_STRING "ACLs, " -# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL) +# define set_posix_acl_flag(sb) ((sb)->s_flags |= SB_POSIXACL) #else # define XFS_ACL_STRING # define set_posix_acl_flag(sb) do { } while (0) diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 68d3ca2c4968..2e9e793a8f9d 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -232,11 +232,6 @@ xfs_symlink( resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks); error = xfs_trans_alloc(mp, &M_RES(mp)->tr_symlink, resblks, 0, 0, &tp); - if (error == -ENOSPC && fs_blocks == 0) { - resblks = 0; - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_symlink, 0, 0, 0, - &tp); - } if (error) goto out_release_inode; @@ -260,14 +255,6 @@ xfs_symlink( goto out_trans_cancel; /* - * Check for ability to enter directory entry, if no space reserved. - */ - if (!resblks) { - error = xfs_dir_canenter(tp, dp, link_name); - if (error) - goto out_trans_cancel; - } - /* * Initialize the bmap freelist prior to calling either * bmapi or the directory create code. */ @@ -277,7 +264,7 @@ xfs_symlink( * Allocate an inode for the symlink. */ error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, - prid, resblks > 0, &ip, NULL); + prid, &ip, NULL); if (error) goto out_trans_cancel; diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c index 5d95fe348294..35f3546b6af5 100644 --- a/fs/xfs/xfs_trace.c +++ b/fs/xfs/xfs_trace.c @@ -24,7 +24,6 @@ #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_da_format.h" -#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_da_btree.h" |