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f2fs: fix to update iostat correctly in f2fs_filemap_fault()

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[ Upstream commit bb34cc6ca8 ]

In f2fs_filemap_fault(), it fixes to update iostat info only if
VM_FAULT_LOCKED is tagged in return value of filemap_fault().

Fixes: 8b83ac81f4 ("f2fs: support read iostat")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chao Yu 2023-12-10 19:35:47 +08:00 committed by Greg Kroah-Hartman
parent 40d36882c7
commit 9284f409e4
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/file.c
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@ -42,7 +42,7 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
ret = filemap_fault(vmf);
up_read(&F2FS_I(inode)->i_mmap_sem);
if (!ret)
if (ret & VM_FAULT_LOCKED)
f2fs_update_iostat(F2FS_I_SB(inode), APP_MAPPED_READ_IO,
F2FS_BLKSIZE);