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UPSTREAM: f2fs: allow F2FS_IPU_NOCACHE for pinned file

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This patch allows f2fs to submit bios of in-place writes on pinned file.

Reviewed-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Change-Id: I5f85d945e8be136db7cdd00af4cce254c995fed0
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit ae87b9c2dc)
This commit is contained in:
Jaegeuk Kim 2024-09-14 21:44:10 +00:00 committed by Matthias Männich
parent dc69980b98
commit e05b2ba1f7
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/sysfs.c
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@ -792,7 +792,8 @@ out:
if (!strcmp(a->attr.name, "ipu_policy")) {
if (t >= BIT(F2FS_IPU_MAX))
return -EINVAL;
if (t && f2fs_lfs_mode(sbi))
/* allow F2FS_IPU_NOCACHE only for IPU in the pinned file */
if (f2fs_lfs_mode(sbi) && (t & ~BIT(F2FS_IPU_NOCACHE)))
return -EINVAL;
SM_I(sbi)->ipu_policy = (unsigned int)t;
return count;