[ 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>
vm_fault_t ret;
ret = filemap_fault(vmf);
- if (!ret)
+ if (ret & VM_FAULT_LOCKED)
f2fs_update_iostat(F2FS_I_SB(inode), inode,
APP_MAPPED_READ_IO, F2FS_BLKSIZE);