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f2fs: fix to handle error path correctly in f2fs_map_blocks 

In f2fs_map_blocks(), we should bail out once __allocate_data_block()
failed.

Fixes: f847c699cf ("f2fs: allow out-place-update for direct IO in LFS mode")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2019-08-28 17:33:36 +08:00 committed by Jaegeuk Kim
parent 86f35dc39e
commit 05e360061c
1 changed files with 4 additions and 4 deletions
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8
fs/f2fs/data.c
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@ -1195,10 +1195,10 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
if (test_opt(sbi, LFS) && flag == F2FS_GET_BLOCK_DIO &&
map->m_may_create) {
err = __allocate_data_block(&dn, map->m_seg_type);
if (!err) {
blkaddr = dn.data_blkaddr;
set_inode_flag(inode, FI_APPEND_WRITE);
}
if (err)
goto sync_out;
blkaddr = dn.data_blkaddr;
set_inode_flag(inode, FI_APPEND_WRITE);
}
} else {
if (create) {