diff options
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index e4504299f4a5..271cf2150ba0 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c | |||
| @@ -739,23 +739,23 @@ static long wb_writeback(struct bdi_writeback *wb, | |||
| 739 | wrote += write_chunk - wbc.nr_to_write; | 739 | wrote += write_chunk - wbc.nr_to_write; |
| 740 | 740 | ||
| 741 | /* | 741 | /* |
| 742 | * If we consumed everything, see if we have more | 742 | * Did we write something? Try for more |
| 743 | * | ||
| 744 | * Dirty inodes are moved to b_io for writeback in batches. | ||
| 745 | * The completion of the current batch does not necessarily | ||
| 746 | * mean the overall work is done. So we keep looping as long | ||
| 747 | * as made some progress on cleaning pages or inodes. | ||
| 743 | */ | 748 | */ |
| 744 | if (wbc.nr_to_write <= 0) | 749 | if (wbc.nr_to_write < write_chunk) |
| 745 | continue; | 750 | continue; |
| 746 | if (wbc.inodes_written) | 751 | if (wbc.inodes_written) |
| 747 | continue; | 752 | continue; |
| 748 | /* | 753 | /* |
| 749 | * Didn't write everything and we don't have more IO, bail | 754 | * No more inodes for IO, bail |
| 750 | */ | 755 | */ |
| 751 | if (!wbc.more_io) | 756 | if (!wbc.more_io) |
| 752 | break; | 757 | break; |
| 753 | /* | 758 | /* |
| 754 | * Did we write something? Try for more | ||
| 755 | */ | ||
| 756 | if (wbc.nr_to_write < write_chunk) | ||
| 757 | continue; | ||
| 758 | /* | ||
| 759 | * Nothing written. Wait for some inode to | 759 | * Nothing written. Wait for some inode to |
| 760 | * become available for writeback. Otherwise | 760 | * become available for writeback. Otherwise |
| 761 | * we'll just busyloop. | 761 | * we'll just busyloop. |