diff options
| -rw-r--r-- | fs/erofs/erofs_fs.h | 8 | ||||
| -rw-r--r-- | fs/erofs/internal.h | 1 | ||||
| -rw-r--r-- | fs/erofs/xattr.c | 13 |
3 files changed, 16 insertions, 6 deletions
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h index 377ee12b8b96..3d5738f80072 100644 --- a/fs/erofs/erofs_fs.h +++ b/fs/erofs/erofs_fs.h @@ -12,10 +12,12 @@ /* to allow for x86 boot sectors and other oddities. */ #define EROFS_SUPER_OFFSET 1024 -#define EROFS_FEATURE_COMPAT_SB_CHKSUM 0x00000001 -#define EROFS_FEATURE_COMPAT_MTIME 0x00000002 -#define EROFS_FEATURE_COMPAT_XATTR_FILTER 0x00000004 +#define EROFS_FEATURE_COMPAT_SB_CHKSUM 0x00000001 +#define EROFS_FEATURE_COMPAT_MTIME 0x00000002 +#define EROFS_FEATURE_COMPAT_XATTR_FILTER 0x00000004 #define EROFS_FEATURE_COMPAT_SHARED_EA_IN_METABOX 0x00000008 +#define EROFS_FEATURE_COMPAT_PLAIN_XATTR_PFX 0x00000010 + /* * Any bits that aren't in EROFS_ALL_FEATURE_INCOMPAT should diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index 4ccc5f0ee8df..9319c66e86c3 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -234,6 +234,7 @@ EROFS_FEATURE_FUNCS(metabox, incompat, INCOMPAT_METABOX) EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM) EROFS_FEATURE_FUNCS(xattr_filter, compat, COMPAT_XATTR_FILTER) EROFS_FEATURE_FUNCS(shared_ea_in_metabox, compat, COMPAT_SHARED_EA_IN_METABOX) +EROFS_FEATURE_FUNCS(plain_xattr_pfx, compat, COMPAT_PLAIN_XATTR_PFX) static inline u64 erofs_nid_to_ino64(struct erofs_sb_info *sbi, erofs_nid_t nid) { diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c index eaa9efd766ee..396536d9a862 100644 --- a/fs/erofs/xattr.c +++ b/fs/erofs/xattr.c @@ -482,6 +482,7 @@ int erofs_xattr_prefixes_init(struct super_block *sb) erofs_off_t pos = (erofs_off_t)sbi->xattr_prefix_start << 2; struct erofs_xattr_prefix_item *pfs; int ret = 0, i, len; + bool plain = erofs_sb_has_plain_xattr_pfx(sbi); if (!sbi->xattr_prefix_count) return 0; @@ -490,9 +491,15 @@ int erofs_xattr_prefixes_init(struct super_block *sb) if (!pfs) return -ENOMEM; - if (sbi->packed_inode) - buf.mapping = sbi->packed_inode->i_mapping; - else + if (!plain) { + if (erofs_sb_has_metabox(sbi)) + (void)erofs_init_metabuf(&buf, sb, true); + else if (sbi->packed_inode) + buf.mapping = sbi->packed_inode->i_mapping; + else + plain = true; + } + if (plain) (void)erofs_init_metabuf(&buf, sb, false); for (i = 0; i < sbi->xattr_prefix_count; i++) { |