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-rw-r--r--fs/9p/fid.c61
-rw-r--r--fs/9p/fid.h6
-rw-r--r--fs/9p/vfs_addr.c4
-rw-r--r--fs/9p/vfs_dentry.c4
-rw-r--r--fs/9p/vfs_dir.c2
-rw-r--r--fs/9p/vfs_file.c9
-rw-r--r--fs/9p/vfs_inode.c89
-rw-r--r--fs/9p/vfs_inode_dotl.c82
-rw-r--r--fs/9p/vfs_super.c8
-rw-r--r--fs/9p/xattr.c8
10 files changed, 124 insertions, 149 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index baf2b152229e..23cf9b2fbfe4 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -28,14 +28,18 @@ static inline void __add_fid(struct dentry *dentry, struct p9_fid *fid)
/**
* v9fs_fid_add - add a fid to a dentry
* @dentry: dentry that the fid is being added to
- * @fid: fid to add
+ * @pfid: fid to add, NULLed out
*
*/
-void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
+void v9fs_fid_add(struct dentry *dentry, struct p9_fid **pfid)
{
+ struct p9_fid *fid = *pfid;
+
spin_lock(&dentry->d_lock);
__add_fid(dentry, fid);
spin_unlock(&dentry->d_lock);
+
+ *pfid = NULL;
}
/**
@@ -56,7 +60,7 @@ static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid)
h = (struct hlist_head *)&inode->i_private;
hlist_for_each_entry(fid, h, ilist) {
if (uid_eq(fid->uid, uid)) {
- refcount_inc(&fid->count);
+ p9_fid_get(fid);
ret = fid;
break;
}
@@ -68,15 +72,19 @@ static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid)
/**
* v9fs_open_fid_add - add an open fid to an inode
* @inode: inode that the fid is being added to
- * @fid: fid to add
+ * @pfid: fid to add, NULLed out
*
*/
-void v9fs_open_fid_add(struct inode *inode, struct p9_fid *fid)
+void v9fs_open_fid_add(struct inode *inode, struct p9_fid **pfid)
{
+ struct p9_fid *fid = *pfid;
+
spin_lock(&inode->i_lock);
hlist_add_head(&fid->ilist, (struct hlist_head *)&inode->i_private);
spin_unlock(&inode->i_lock);
+
+ *pfid = NULL;
}
@@ -104,7 +112,7 @@ static struct p9_fid *v9fs_fid_find(struct dentry *dentry, kuid_t uid, int any)
hlist_for_each_entry(fid, h, dlist) {
if (any || uid_eq(fid->uid, uid)) {
ret = fid;
- refcount_inc(&ret->count);
+ p9_fid_get(ret);
break;
}
}
@@ -150,9 +158,9 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
{
struct dentry *ds;
const unsigned char **wnames, *uname;
- int i, n, l, clone, access;
+ int i, n, l, access;
struct v9fs_session_info *v9ses;
- struct p9_fid *fid, *old_fid;
+ struct p9_fid *fid, *root_fid, *old_fid;
v9ses = v9fs_dentry2v9ses(dentry);
access = v9ses->flags & V9FS_ACCESS_MASK;
@@ -169,17 +177,17 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
fid = v9fs_fid_find(ds, uid, any);
if (fid) {
/* Found the parent fid do a lookup with that */
- struct p9_fid *ofid = fid;
+ old_fid = fid;
- fid = p9_client_walk(ofid, 1, &dentry->d_name.name, 1);
- p9_client_clunk(ofid);
+ fid = p9_client_walk(old_fid, 1, &dentry->d_name.name, 1);
+ p9_fid_put(old_fid);
goto fid_out;
}
up_read(&v9ses->rename_sem);
/* start from the root and try to do a lookup */
- fid = v9fs_fid_find(dentry->d_sb->s_root, uid, any);
- if (!fid) {
+ root_fid = v9fs_fid_find(dentry->d_sb->s_root, uid, any);
+ if (!root_fid) {
/* the user is not attached to the fs yet */
if (access == V9FS_ACCESS_SINGLE)
return ERR_PTR(-EPERM);
@@ -194,12 +202,13 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
if (IS_ERR(fid))
return fid;
- refcount_inc(&fid->count);
- v9fs_fid_add(dentry->d_sb->s_root, fid);
+ root_fid = p9_fid_get(fid);
+ v9fs_fid_add(dentry->d_sb->s_root, &fid);
}
/* If we are root ourself just return that */
if (dentry->d_sb->s_root == dentry)
- return fid;
+ return root_fid;
+
/*
* Do a multipath walk with attached root.
* When walking parent we need to make sure we
@@ -211,19 +220,20 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
fid = ERR_PTR(n);
goto err_out;
}
- old_fid = fid;
- clone = 1;
+ fid = root_fid;
+ old_fid = root_fid;
i = 0;
while (i < n) {
l = min(n - i, P9_MAXWELEM);
/*
* We need to hold rename lock when doing a multipath
- * walk to ensure none of the patch component change
+ * walk to ensure none of the path components change
*/
- fid = p9_client_walk(fid, l, &wnames[i], clone);
+ fid = p9_client_walk(old_fid, l, &wnames[i],
+ old_fid == root_fid /* clone */);
/* non-cloning walk will return the same fid */
if (fid != old_fid) {
- p9_client_clunk(old_fid);
+ p9_fid_put(old_fid);
old_fid = fid;
}
if (IS_ERR(fid)) {
@@ -231,7 +241,6 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
goto err_out;
}
i += l;
- clone = 0;
}
kfree(wnames);
fid_out:
@@ -239,11 +248,11 @@ fid_out:
spin_lock(&dentry->d_lock);
if (d_unhashed(dentry)) {
spin_unlock(&dentry->d_lock);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
fid = ERR_PTR(-ENOENT);
} else {
__add_fid(dentry, fid);
- refcount_inc(&fid->count);
+ p9_fid_get(fid);
spin_unlock(&dentry->d_lock);
}
}
@@ -300,7 +309,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
fid = clone_fid(ofid);
if (IS_ERR(fid))
goto error_out;
- p9_client_clunk(ofid);
+ p9_fid_put(ofid);
/*
* writeback fid will only be used to write back the
* dirty pages. We always request for the open fid in read-write
@@ -309,7 +318,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
*/
err = p9_client_open(fid, O_RDWR);
if (err < 0) {
- p9_client_clunk(fid);
+ p9_fid_put(fid);
fid = ERR_PTR(err);
goto error_out;
}
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index f7f33509e169..8a4e8cd12ca2 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -13,9 +13,9 @@ static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
{
return v9fs_fid_lookup(dentry->d_parent);
}
-void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
+void v9fs_fid_add(struct dentry *dentry, struct p9_fid **fid);
struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
-void v9fs_open_fid_add(struct inode *inode, struct p9_fid *fid);
+void v9fs_open_fid_add(struct inode *inode, struct p9_fid **fid);
static inline struct p9_fid *clone_fid(struct p9_fid *fid)
{
return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1);
@@ -29,7 +29,7 @@ static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
return fid;
nfid = clone_fid(fid);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return nfid;
}
#endif
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index d0833fa69faf..47b9a1122f34 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -73,7 +73,7 @@ static int v9fs_init_request(struct netfs_io_request *rreq, struct file *file)
BUG_ON(!fid);
}
- refcount_inc(&fid->count);
+ p9_fid_get(fid);
rreq->netfs_priv = fid;
return 0;
}
@@ -86,7 +86,7 @@ static void v9fs_free_request(struct netfs_io_request *rreq)
{
struct p9_fid *fid = rreq->netfs_priv;
- p9_client_clunk(fid);
+ p9_fid_put(fid);
}
/**
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 1c609e99d280..f89f01734587 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -54,7 +54,7 @@ static void v9fs_dentry_release(struct dentry *dentry)
p9_debug(P9_DEBUG_VFS, " dentry: %pd (%p)\n",
dentry, dentry);
hlist_for_each_safe(p, n, (struct hlist_head *)&dentry->d_fsdata)
- p9_client_clunk(hlist_entry(p, struct p9_fid, dlist));
+ p9_fid_put(hlist_entry(p, struct p9_fid, dlist));
dentry->d_fsdata = NULL;
}
@@ -85,7 +85,7 @@ static int v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
retval = v9fs_refresh_inode_dotl(fid, inode);
else
retval = v9fs_refresh_inode(fid, inode);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (retval == -ENOENT)
return 0;
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 958680f7f23e..000fbaae9b18 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -218,7 +218,7 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
spin_lock(&inode->i_lock);
hlist_del(&fid->ilist);
spin_unlock(&inode->i_lock);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
}
if ((filp->f_mode & FMODE_WRITE)) {
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 2573c08f335c..aec43ba83799 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -63,15 +63,16 @@ int v9fs_file_open(struct inode *inode, struct file *file)
err = p9_client_open(fid, omode);
if (err < 0) {
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return err;
}
if ((file->f_flags & O_APPEND) &&
(!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses)))
generic_file_llseek(file, 0, SEEK_END);
+
+ file->private_data = fid;
}
- file->private_data = fid;
mutex_lock(&v9inode->v_mutex);
if ((v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) &&
!v9inode->writeback_fid &&
@@ -95,10 +96,10 @@ int v9fs_file_open(struct inode *inode, struct file *file)
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
fscache_use_cookie(v9fs_inode_cookie(v9inode),
file->f_mode & FMODE_WRITE);
- v9fs_open_fid_add(inode, fid);
+ v9fs_open_fid_add(inode, &fid);
return 0;
out_error:
- p9_client_clunk(file->private_data);
+ p9_fid_put(file->private_data);
file->private_data = NULL;
return err;
}
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 3d8297714772..4d1a4a8d9277 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -399,10 +399,8 @@ void v9fs_evict_inode(struct inode *inode)
fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
/* clunk the fid stashed in writeback_fid */
- if (v9inode->writeback_fid) {
- p9_client_clunk(v9inode->writeback_fid);
- v9inode->writeback_fid = NULL;
- }
+ p9_fid_put(v9inode->writeback_fid);
+ v9inode->writeback_fid = NULL;
}
static int v9fs_test_inode(struct inode *inode, void *data)
@@ -569,7 +567,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *dentry, int flags)
if (v9fs_proto_dotl(v9ses))
retval = p9_client_unlinkat(dfid, dentry->d_name.name,
v9fs_at_to_dotl_flags(flags));
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
if (retval == -EOPNOTSUPP) {
/* Try the one based on path */
v9fid = v9fs_fid_clone(dentry);
@@ -633,14 +631,12 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
if (IS_ERR(ofid)) {
err = PTR_ERR(ofid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
- p9_client_clunk(dfid);
- return ERR_PTR(err);
+ goto error;
}
err = p9_client_fcreate(ofid, name, perm, mode, extension);
if (err < 0) {
p9_debug(P9_DEBUG_VFS, "p9_client_fcreate failed %d\n", err);
- p9_client_clunk(dfid);
goto error;
}
@@ -651,8 +647,6 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS,
"p9_client_walk failed %d\n", err);
- fid = NULL;
- p9_client_clunk(dfid);
goto error;
}
/*
@@ -663,21 +657,17 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
err = PTR_ERR(inode);
p9_debug(P9_DEBUG_VFS,
"inode creation failed %d\n", err);
- p9_client_clunk(dfid);
goto error;
}
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
}
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
return ofid;
error:
- if (ofid)
- p9_client_clunk(ofid);
-
- if (fid)
- p9_client_clunk(fid);
-
+ p9_fid_put(dfid);
+ p9_fid_put(ofid);
+ p9_fid_put(fid);
return ERR_PTR(err);
}
@@ -708,7 +698,7 @@ v9fs_vfs_create(struct user_namespace *mnt_userns, struct inode *dir,
return PTR_ERR(fid);
v9fs_invalidate_inode_attr(dir);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return 0;
}
@@ -744,7 +734,7 @@ static int v9fs_vfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
}
if (fid)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return err;
}
@@ -785,7 +775,7 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
*/
name = dentry->d_name.name;
fid = p9_client_walk(dfid, 1, &name, 1);
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
if (fid == ERR_PTR(-ENOENT))
inode = NULL;
else if (IS_ERR(fid))
@@ -804,11 +794,11 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
res = d_splice_alias(inode, dentry);
if (!IS_ERR(fid)) {
if (!res)
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
else if (!IS_ERR(res))
- v9fs_fid_add(res, fid);
+ v9fs_fid_add(res, &fid);
else
- p9_client_clunk(fid);
+ p9_fid_put(fid);
}
return res;
}
@@ -847,7 +837,6 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
v9fs_proto_dotu(v9ses)));
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
- fid = NULL;
goto error;
}
@@ -882,7 +871,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
fscache_use_cookie(v9fs_inode_cookie(v9inode),
file->f_mode & FMODE_WRITE);
- v9fs_open_fid_add(inode, fid);
+ v9fs_open_fid_add(inode, &fid);
file->f_mode |= FMODE_CREATED;
out:
@@ -890,8 +879,7 @@ out:
return err;
error:
- if (fid)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
goto out;
}
@@ -939,9 +927,9 @@ v9fs_vfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
struct inode *old_inode;
struct inode *new_inode;
struct v9fs_session_info *v9ses;
- struct p9_fid *oldfid, *dfid;
- struct p9_fid *olddirfid;
- struct p9_fid *newdirfid;
+ struct p9_fid *oldfid = NULL, *dfid = NULL;
+ struct p9_fid *olddirfid = NULL;
+ struct p9_fid *newdirfid = NULL;
struct p9_wstat wstat;
if (flags)
@@ -958,21 +946,22 @@ v9fs_vfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
dfid = v9fs_parent_fid(old_dentry);
olddirfid = clone_fid(dfid);
- if (dfid && !IS_ERR(dfid))
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
+ dfid = NULL;
if (IS_ERR(olddirfid)) {
retval = PTR_ERR(olddirfid);
- goto done;
+ goto error;
}
dfid = v9fs_parent_fid(new_dentry);
newdirfid = clone_fid(dfid);
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
+ dfid = NULL;
if (IS_ERR(newdirfid)) {
retval = PTR_ERR(newdirfid);
- goto clunk_olddir;
+ goto error;
}
down_write(&v9ses->rename_sem);
@@ -983,7 +972,7 @@ v9fs_vfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
retval = p9_client_rename(oldfid, newdirfid,
new_dentry->d_name.name);
if (retval != -EOPNOTSUPP)
- goto clunk_newdir;
+ goto error_locked;
}
if (old_dentry->d_parent != new_dentry->d_parent) {
/*
@@ -992,14 +981,14 @@ v9fs_vfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
p9_debug(P9_DEBUG_ERROR, "old dir and new dir are different\n");
retval = -EXDEV;
- goto clunk_newdir;
+ goto error_locked;
}
v9fs_blank_wstat(&wstat);
wstat.muid = v9ses->uname;
wstat.name = new_dentry->d_name.name;
retval = p9_client_wstat(oldfid, &wstat);
-clunk_newdir:
+error_locked:
if (!retval) {
if (new_inode) {
if (S_ISDIR(new_inode->i_mode))
@@ -1020,13 +1009,11 @@ clunk_newdir:
d_move(old_dentry, new_dentry);
}
up_write(&v9ses->rename_sem);
- p9_client_clunk(newdirfid);
-
-clunk_olddir:
- p9_client_clunk(olddirfid);
-done:
- p9_client_clunk(oldfid);
+error:
+ p9_fid_put(newdirfid);
+ p9_fid_put(olddirfid);
+ p9_fid_put(oldfid);
return retval;
}
@@ -1060,7 +1047,7 @@ v9fs_vfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
return PTR_ERR(fid);
st = p9_client_stat(fid);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (IS_ERR(st))
return PTR_ERR(st);
@@ -1136,7 +1123,7 @@ static int v9fs_vfs_setattr(struct user_namespace *mnt_userns,
retval = p9_client_wstat(fid, &wstat);
if (use_dentry)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (retval < 0)
return retval;
@@ -1261,7 +1248,7 @@ static const char *v9fs_vfs_get_link(struct dentry *dentry,
return ERR_CAST(fid);
st = p9_client_stat(fid);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (IS_ERR(st))
return ERR_CAST(st);
@@ -1308,7 +1295,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
return PTR_ERR(fid);
v9fs_invalidate_inode_attr(dir);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return 0;
}
@@ -1364,7 +1351,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
v9fs_refresh_inode(oldfid, d_inode(old_dentry));
v9fs_invalidate_inode_attr(dir);
}
- p9_client_clunk(oldfid);
+ p9_fid_put(oldfid);
return retval;
}
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index b6eb1160296c..5cfa4b4f070f 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -238,7 +238,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
struct inode *inode;
struct p9_fid *fid = NULL;
struct v9fs_inode *v9inode;
- struct p9_fid *dfid, *ofid, *inode_fid;
+ struct p9_fid *dfid = NULL, *ofid = NULL, *inode_fid = NULL;
struct v9fs_session_info *v9ses;
struct posix_acl *pacl = NULL, *dacl = NULL;
struct dentry *res = NULL;
@@ -274,7 +274,6 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(ofid)) {
err = PTR_ERR(ofid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
- p9_client_clunk(dfid);
goto out;
}
@@ -286,38 +285,34 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (err) {
p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n",
err);
- p9_client_clunk(dfid);
- goto error;
+ goto out;
}
err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags),
mode, gid, &qid);
if (err < 0) {
p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n",
err);
- p9_client_clunk(dfid);
- goto error;
+ goto out;
}
v9fs_invalidate_inode_attr(dir);
/* instantiate inode and assign the unopened fid to the dentry */
fid = p9_client_walk(dfid, 1, &name, 1);
- p9_client_clunk(dfid);
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
- fid = NULL;
- goto error;
+ goto out;
}
inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err);
- goto error;
+ goto out;
}
/* Now set the ACL based on the default value */
v9fs_set_create_acl(inode, fid, dacl, pacl);
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
v9inode = V9FS_I(inode);
@@ -336,7 +331,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(inode_fid)) {
err = PTR_ERR(inode_fid);
mutex_unlock(&v9inode->v_mutex);
- goto err_clunk_old_fid;
+ goto out;
}
v9inode->writeback_fid = (void *) inode_fid;
}
@@ -344,25 +339,20 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
/* Since we are opening a file, assign the open fid to the file */
err = finish_open(file, dentry, generic_file_open);
if (err)
- goto err_clunk_old_fid;
+ goto out;
file->private_data = ofid;
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
fscache_use_cookie(v9fs_inode_cookie(v9inode),
file->f_mode & FMODE_WRITE);
- v9fs_open_fid_add(inode, ofid);
+ v9fs_open_fid_add(inode, &ofid);
file->f_mode |= FMODE_CREATED;
out:
+ p9_fid_put(dfid);
+ p9_fid_put(ofid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
dput(res);
return err;
-
-error:
- if (fid)
- p9_client_clunk(fid);
-err_clunk_old_fid:
- if (ofid)
- p9_client_clunk(ofid);
- goto out;
}
/**
@@ -400,7 +390,6 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
- dfid = NULL;
goto error;
}
@@ -422,7 +411,6 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -435,10 +423,9 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
err);
goto error;
}
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
v9fs_set_create_acl(inode, fid, dacl, pacl);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/*
@@ -457,10 +444,9 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
inc_nlink(dir);
v9fs_invalidate_inode_attr(dir);
error:
- if (fid)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
return err;
}
@@ -489,7 +475,7 @@ v9fs_vfs_getattr_dotl(struct user_namespace *mnt_userns,
*/
st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (IS_ERR(st))
return PTR_ERR(st);
@@ -603,7 +589,7 @@ int v9fs_vfs_setattr_dotl(struct user_namespace *mnt_userns,
retval = p9_client_setattr(fid, &p9attr);
if (retval < 0) {
if (use_dentry)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return retval;
}
@@ -619,12 +605,12 @@ int v9fs_vfs_setattr_dotl(struct user_namespace *mnt_userns,
retval = v9fs_acl_chmod(inode, fid);
if (retval < 0) {
if (use_dentry)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return retval;
}
}
if (use_dentry)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return 0;
}
@@ -743,7 +729,6 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -755,9 +740,8 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err);
goto error;
}
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/* Not in cached mode. No need to populate inode with stat */
@@ -770,10 +754,8 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
}
error:
- if (fid)
- p9_client_clunk(fid);
-
- p9_client_clunk(dfid);
+ p9_fid_put(fid);
+ p9_fid_put(dfid);
return err;
}
@@ -803,14 +785,14 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
oldfid = v9fs_fid_lookup(old_dentry);
if (IS_ERR(oldfid)) {
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
return PTR_ERR(oldfid);
}
err = p9_client_link(dfid, oldfid, dentry->d_name.name);
- p9_client_clunk(dfid);
- p9_client_clunk(oldfid);
+ p9_fid_put(dfid);
+ p9_fid_put(oldfid);
if (err < 0) {
p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
return err;
@@ -826,7 +808,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
return PTR_ERR(fid);
v9fs_refresh_inode_dotl(fid, d_inode(old_dentry));
- p9_client_clunk(fid);
+ p9_fid_put(fid);
}
ihold(d_inode(old_dentry));
d_instantiate(dentry, d_inode(old_dentry));
@@ -866,7 +848,6 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
- dfid = NULL;
goto error;
}
@@ -891,7 +872,6 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -905,9 +885,8 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
goto error;
}
v9fs_set_create_acl(inode, fid, dacl, pacl);
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/*
@@ -923,10 +902,9 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
d_instantiate(dentry, inode);
}
error:
- if (fid)
- p9_client_clunk(fid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
- p9_client_clunk(dfid);
+ p9_fid_put(dfid);
return err;
}
@@ -956,7 +934,7 @@ v9fs_vfs_get_link_dotl(struct dentry *dentry,
if (IS_ERR(fid))
return ERR_CAST(fid);
retval = p9_client_readlink(fid, &target);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
if (retval)
return ERR_PTR(retval);
set_delayed_call(done, kfree_link, target);
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 97e23b4e6982..2d9ee073d12c 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -184,13 +184,13 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
retval = v9fs_get_acl(inode, fid);
if (retval)
goto release_sb;
- v9fs_fid_add(root, fid);
+ v9fs_fid_add(root, &fid);
p9_debug(P9_DEBUG_VFS, " simple set mount, return 0\n");
return dget(sb->s_root);
clunk_fid:
- p9_client_clunk(fid);
+ p9_fid_put(fid);
v9fs_session_close(v9ses);
free_session:
kfree(v9ses);
@@ -203,7 +203,7 @@ release_sb:
* attached the fid to dentry so it won't get clunked
* automatically.
*/
- p9_client_clunk(fid);
+ p9_fid_put(fid);
deactivate_locked_super(sb);
return ERR_PTR(retval);
}
@@ -270,7 +270,7 @@ static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf)
}
res = simple_statfs(dentry, buf);
done:
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return res;
}
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index a824441b95a2..1f9298a4bd42 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -44,7 +44,7 @@ ssize_t v9fs_fid_xattr_get(struct p9_fid *fid, const char *name,
if (err)
retval = err;
}
- p9_client_clunk(attr_fid);
+ p9_fid_put(attr_fid);
return retval;
}
@@ -71,7 +71,7 @@ ssize_t v9fs_xattr_get(struct dentry *dentry, const char *name,
if (IS_ERR(fid))
return PTR_ERR(fid);
ret = v9fs_fid_xattr_get(fid, name, buffer, buffer_size);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return ret;
}
@@ -98,7 +98,7 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
if (IS_ERR(fid))
return PTR_ERR(fid);
ret = v9fs_fid_xattr_set(fid, name, value, value_len, flags);
- p9_client_clunk(fid);
+ p9_fid_put(fid);
return ret;
}
@@ -128,7 +128,7 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
retval);
else
p9_client_write(fid, 0, &from, &retval);
- err = p9_client_clunk(fid);
+ err = p9_fid_put(fid);
if (!retval && err)
retval = err;
return retval;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 13:31:46 +0000