5.10-stable review patch. If anyone has any objections, please let me know.
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From: Chao Yu chao@kernel.org
[ Upstream commit bb34cc6ca87ff78f9fb5913d7619dc1389554da6 ]
In f2fs_filemap_fault(), it fixes to update iostat info only if VM_FAULT_LOCKED is tagged in return value of filemap_fault().
Fixes: 8b83ac81f428 ("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 --- fs/f2fs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 98960c8d72c0..55818bd510fb 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -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);