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path: root/fs/overlayfs/super.c
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Diffstat (limited to 'fs/overlayfs/super.c')
-rw-r--r--fs/overlayfs/super.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index e0a2e0468ee7..ec746d447f1b 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -301,7 +301,7 @@ static int ovl_sync_fs(struct super_block *sb, int wait)
/**
* ovl_statfs
- * @sb: The overlayfs super block
+ * @dentry: The dentry to query
* @buf: The struct kstatfs to fill in with stats
*
* Get the filesystem statistics. As writes always target the upper layer
@@ -349,6 +349,8 @@ static inline int ovl_xino_def(void)
/**
* ovl_show_options
+ * @m: the seq_file handle
+ * @dentry: The dentry to query
*
* Prints the mount options for a given superblock.
* Returns zero; does not fail.
@@ -1412,11 +1414,12 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
*/
err = ovl_setxattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE, "0", 1);
if (err) {
+ pr_warn("failed to set xattr on upper\n");
ofs->noxattr = true;
if (ofs->config.index || ofs->config.metacopy) {
ofs->config.index = false;
ofs->config.metacopy = false;
- pr_warn("upper fs does not support xattr, falling back to index=off,metacopy=off.\n");
+ pr_warn("...falling back to index=off,metacopy=off.\n");
}
/*
* xattr support is required for persistent st_ino.
@@ -1424,8 +1427,10 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
*/
if (ofs->config.xino == OVL_XINO_AUTO) {
ofs->config.xino = OVL_XINO_OFF;
- pr_warn("upper fs does not support xattr, falling back to xino=off.\n");
+ pr_warn("...falling back to xino=off.\n");
}
+ if (err == -EPERM && !ofs->config.userxattr)
+ pr_info("try mounting with 'userxattr' option\n");
err = 0;
} else {
ovl_removexattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE);
@@ -2032,7 +2037,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
sb->s_stack_depth = 0;
sb->s_maxbytes = MAX_LFS_FILESIZE;
atomic_long_set(&ofs->last_ino, 1);
- /* Assume underlaying fs uses 32bit inodes unless proven otherwise */
+ /* Assume underlying fs uses 32bit inodes unless proven otherwise */
if (ofs->config.xino != OVL_XINO_OFF) {
ofs->xino_mode = BITS_PER_LONG - 32;
if (!ofs->xino_mode) {