diff options
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index dcccb4b4a66c..593c4da107d6 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -206,10 +206,17 @@ bool ovl_dentry_weird(struct dentry *dentry) if (!d_can_lookup(dentry) && !d_is_file(dentry) && !d_is_symlink(dentry)) return true; - return dentry->d_flags & (DCACHE_NEED_AUTOMOUNT | - DCACHE_MANAGE_TRANSIT | - DCACHE_OP_HASH | - DCACHE_OP_COMPARE); + if (dentry->d_flags & (DCACHE_NEED_AUTOMOUNT | DCACHE_MANAGE_TRANSIT)) + return true; + + /* + * Allow filesystems that are case-folding capable but deny composing + * ovl stack from case-folded directories. + */ + if (sb_has_encoding(dentry->d_sb)) + return IS_CASEFOLDED(d_inode(dentry)); + + return dentry->d_flags & (DCACHE_OP_HASH | DCACHE_OP_COMPARE); } enum ovl_path_type ovl_path_type(struct dentry *dentry) |