diff options
Diffstat (limited to 'fs/overlayfs/params.c')
| -rw-r--r-- | fs/overlayfs/params.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c index f42488c01957..f4e7fff909ac 100644 --- a/fs/overlayfs/params.c +++ b/fs/overlayfs/params.c @@ -282,13 +282,11 @@ static int ovl_mount_dir_check(struct fs_context *fc, const struct path *path, return invalfc(fc, "%s is not a directory", name); /* - * Root dentries of case-insensitive capable filesystems might - * not have the dentry operations set, but still be incompatible - * with overlayfs. Check explicitly to prevent post-mount - * failures. + * Allow filesystems that are case-folding capable but deny composing + * ovl stack from case-folded directories. */ - if (sb_has_encoding(path->mnt->mnt_sb)) - return invalfc(fc, "case-insensitive capable filesystem on %s not supported", name); + if (ovl_dentry_casefolded(path->dentry)) + return invalfc(fc, "case-insensitive directory on %s not supported", name); if (ovl_dentry_weird(path->dentry)) return invalfc(fc, "filesystem on %s not supported", name); @@ -797,6 +795,8 @@ int ovl_init_fs_context(struct fs_context *fc) fc->s_fs_info = ofs; fc->fs_private = ctx; fc->ops = &ovl_context_ops; + + mutex_init(&ofs->whiteout_lock); return 0; out_err: |