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FROMGIT: f2fs: sysfs: export linear_lookup in features directory

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cat /sys/fs/f2fs/features/linear_lookup
supported

Bug: 410768629
(cherry picked from commit 617e0491abe4d8d45c5110ca474c0feb428e6828
https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev)
Link: https://lore.kernel.org/linux-f2fs-devel/20250416054805.1416834-2-chao@kernel.org
Change-Id: I9762dc9d918f96e716a2e0b76a9fe6d168a6b56a
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2025-04-16 11:56:56 +08:00
committed by Matthias Männich
parent 0dc2db6d2c
commit f9fc2b36bc
2 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/ABI/testing/sysfs-fs-f2fs
View File

@@ -270,7 +270,7 @@ Description: Shows all enabled kernel features.
inode_checksum, flexible_inline_xattr, quota_ino, inode_checksum, flexible_inline_xattr, quota_ino,
inode_crtime, lost_found, verity, sb_checksum, inode_crtime, lost_found, verity, sb_checksum,
casefold, readonly, compression, test_dummy_encryption_v2, casefold, readonly, compression, test_dummy_encryption_v2,
atomic_write, pin_file, encrypted_casefold. atomic_write, pin_file, encrypted_casefold, linear_lookup.
What: /sys/fs/f2fs/<disk>/inject_rate What: /sys/fs/f2fs/<disk>/inject_rate
Date: May 2016 Date: May 2016

6
fs/f2fs/sysfs.c
View File

@@ -1207,6 +1207,9 @@ F2FS_FEATURE_RO_ATTR(readonly);
F2FS_FEATURE_RO_ATTR(compression); F2FS_FEATURE_RO_ATTR(compression);
#endif #endif
F2FS_FEATURE_RO_ATTR(pin_file); F2FS_FEATURE_RO_ATTR(pin_file);
#ifdef CONFIG_UNICODE
F2FS_FEATURE_RO_ATTR(linear_lookup);
#endif
#define ATTR_LIST(name) (&f2fs_attr_##name.attr) #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = { static struct attribute *f2fs_attrs[] = {
@@ -1356,6 +1359,9 @@ static struct attribute *f2fs_feat_attrs[] = {
BASE_ATTR_LIST(compression), BASE_ATTR_LIST(compression),
#endif #endif
BASE_ATTR_LIST(pin_file), BASE_ATTR_LIST(pin_file),
#ifdef CONFIG_UNICODE
BASE_ATTR_LIST(linear_lookup),
#endif
NULL, NULL,
}; };
ATTRIBUTE_GROUPS(f2fs_feat); ATTRIBUTE_GROUPS(f2fs_feat);