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UPSTREAM: f2fs: sysfs: export linear_lookup in features directory

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

Change-Id: I451fb7e0d0e494deadd183b9bcce634250806fc4
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 617e0491abe4d8d45c5110ca474c0feb428e6828)
This commit is contained in:
Chao Yu
2025-04-16 13:48:05 +08:00
committed by Jaegeuk Kim
parent ff061af575
commit f2afd01447
2 changed files with 7 additions and 1 deletions
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2
Documentation/ABI/testing/sysfs-fs-f2fs
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@@ -270,7 +270,7 @@ Description: Shows all enabled kernel features.
inode_checksum, flexible_inline_xattr, quota_ino,
inode_crtime, lost_found, verity, sb_checksum,
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
Date: May 2016

6
fs/f2fs/sysfs.c
View File

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