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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-09-26 00:07:46 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-26 00:10:40 +0200 |
| commit | a72bfd4dea053bb8e2233902c3f1893ef5485802 (patch) | |
| tree | 1246fc000adfee6d2874b9324eaf7383ad4413bb /fs/fs-writeback.c | |
| parent | 6d7f18f6ea3a13af95bdf507fc54d42b165e1712 (diff) | |
| download | lwn-a72bfd4dea053bb8e2233902c3f1893ef5485802.tar.gz lwn-a72bfd4dea053bb8e2233902c3f1893ef5485802.zip | |
writeback: pass in super_block to bdi_start_writeback()
Sometimes we only want to write pages from a specific super_block,
so allow that to be passed in.
This fixes a problem with commit 56a131dcf7ed36c3c6e36bea448b674ea85ed5bb
causing writeback on all super_blocks on a bdi, where we only really
want to sync a specific sb from writeback_inodes_sb().
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index fb61178c86e3..9d5360c4c2af 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -250,9 +250,11 @@ static void bdi_sync_writeback(struct backing_dev_info *bdi, * completion. Caller need not hold sb s_umount semaphore. * */ -void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages) +void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb, + long nr_pages) { struct wb_writeback_args args = { + .sb = sb, .sync_mode = WB_SYNC_NONE, .nr_pages = nr_pages, .range_cyclic = 1, @@ -1206,7 +1208,7 @@ void writeback_inodes_sb(struct super_block *sb) nr_to_write = nr_dirty + nr_unstable + (inodes_stat.nr_inodes - inodes_stat.nr_unused); - bdi_start_writeback(sb->s_bdi, nr_to_write); + bdi_start_writeback(sb->s_bdi, sb, nr_to_write); } EXPORT_SYMBOL(writeback_inodes_sb); |