6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jingbo Xu [ Upstream commit 839f075aabdf5c21048f9801b87c0b841dd3d064 ] Let /sys/fs/erofs/features/xattr_prefixes advertise that this kernel supports the EROFS_FEATURE_INCOMPAT_XATTR_PREFIXES on-disk format. Fixes: 6a318ccd7e08 ("erofs: enable long extended attribute name prefixes") Cc: stable@vger.kernel.org # 6.4+ Reviewed-by: Gao Xiang Signed-off-by: Jingbo Xu Signed-off-by: Gao Xiang [ adjusted feature-list context for missing 48bit and metabox entries while retaining zero_padding. ] Signed-off-by: Sasha Levin --- Documentation/ABI/testing/sysfs-fs-erofs | 2 +- fs/erofs/sysfs.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/ABI/testing/sysfs-fs-erofs b/Documentation/ABI/testing/sysfs-fs-erofs index 284224d1b56fe..2997379bf8044 100644 --- a/Documentation/ABI/testing/sysfs-fs-erofs +++ b/Documentation/ABI/testing/sysfs-fs-erofs @@ -5,7 +5,7 @@ Description: Shows all enabled kernel features. Supported features: zero_padding, compr_cfgs, big_pcluster, chunked_file, device_table, compr_head2, sb_chksum, ztailpacking, - dedupe, fragments. + dedupe, fragments, xattr_prefixes. What: /sys/fs/erofs//sync_decompress Date: November 2021 diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c index 435e515c07920..92f0bc13623cc 100644 --- a/fs/erofs/sysfs.c +++ b/fs/erofs/sysfs.c @@ -78,6 +78,7 @@ EROFS_ATTR_FEATURE(sb_chksum); EROFS_ATTR_FEATURE(ztailpacking); EROFS_ATTR_FEATURE(fragments); EROFS_ATTR_FEATURE(dedupe); +EROFS_ATTR_FEATURE(xattr_prefixes); static struct attribute *erofs_feat_attrs[] = { ATTR_LIST(zero_padding), @@ -90,6 +91,7 @@ static struct attribute *erofs_feat_attrs[] = { ATTR_LIST(ztailpacking), ATTR_LIST(fragments), ATTR_LIST(dedupe), + ATTR_LIST(xattr_prefixes), NULL, }; ATTRIBUTE_GROUPS(erofs_feat); -- 2.53.0