f2fs: fix to update iostat correctly in f2fs_filemap_fault()

[ Upstream commit bb34cc6 ] In f2fs_filemap_fault(), it fixes to update iostat info only if VM_FAULT_LOCKED is tagged in return value of filemap_fault(). Fixes: 8b83ac8 ("f2fs: support read iostat") Signed-off-by: Chao Yu <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
tobetter · Jan 25, 2024 · f3a220d · f3a220d
1 parent df2571b
commit f3a220d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
@@ -41,7 +41,7 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
 	vm_fault_t ret;
 
 	ret = filemap_fault(vmf);
-	if (!ret)
+	if (ret & VM_FAULT_LOCKED)
 		f2fs_update_iostat(F2FS_I_SB(inode), APP_MAPPED_READ_IO,
 							F2FS_BLKSIZE);