diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-08-08 19:09:08 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-10-04 15:33:37 +0200 |
| commit | e47a5cb78fb76f8b8937ec613337f0d929633748 (patch) | |
| tree | 446fc2d9af1702fcebfb9a07c970593073d91ac6 | |
| parent | b7616a616965ceb402ea54ae3e73ebb926c6715d (diff) | |
f2fs: retry to revoke atomic commit in -ENOMEM case
During atomic committing, if we encounter -ENOMEM in revoke path, it's
better to give a chance to retry revoking.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index df78e012e..5400a6372 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -250,9 +250,15 @@ static int __revoke_inmem_pages(struct inode *inode, struct node_info ni; trace_f2fs_commit_inmem_page(page, INMEM_REVOKE); - +retry: set_new_dnode(&dn, inode, NULL, NULL, 0); - if (get_dnode_of_data(&dn, page->index, LOOKUP_NODE)) { + err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE); + if (err) { + if (err == -ENOMEM) { + congestion_wait(BLK_RW_ASYNC, HZ/50); + cond_resched(); + goto retry; + } err = -EAGAIN; goto next; } |