diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2009-09-16 15:13:54 +0200 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-16 15:18:52 +0200 |
commit | b6e51316daede0633e9274e1e30391cfa4747877 (patch) | |
tree | 664476bb4e7c05dcce3ad908363b482134c68429 /fs/ubifs/budget.c | |
parent | bcddc3f01c9122882c8b9f12ab94a934e55aef97 (diff) | |
download | linux-b6e51316daede0633e9274e1e30391cfa4747877.tar.gz linux-b6e51316daede0633e9274e1e30391cfa4747877.tar.bz2 linux-b6e51316daede0633e9274e1e30391cfa4747877.zip |
writeback: separate starting of sync vs opportunistic writeback
bdi_start_writeback() is currently split into two paths, one for
WB_SYNC_NONE and one for WB_SYNC_ALL. Add bdi_sync_writeback()
for WB_SYNC_ALL writeback and let bdi_start_writeback() handle
only WB_SYNC_NONE.
Push down the writeback_control allocation and only accept the
parameters that make sense for each function. This cleans up
the API considerably.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/ubifs/budget.c')
-rw-r--r-- | fs/ubifs/budget.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c index 1c8991b0db13..ee1ce68fd98b 100644 --- a/fs/ubifs/budget.c +++ b/fs/ubifs/budget.c @@ -54,29 +54,15 @@ * @nr_to_write: how many dirty pages to write-back * * This function shrinks UBIFS liability by means of writing back some amount - * of dirty inodes and their pages. Returns the amount of pages which were - * written back. The returned value does not include dirty inodes which were - * synchronized. + * of dirty inodes and their pages. * * Note, this function synchronizes even VFS inodes which are locked * (@i_mutex) by the caller of the budgeting function, because write-back does * not touch @i_mutex. */ -static int shrink_liability(struct ubifs_info *c, int nr_to_write) +static void shrink_liability(struct ubifs_info *c, int nr_to_write) { - int nr_written; - - nr_written = writeback_inodes_sb(c->vfs_sb); - if (!nr_written) { - /* - * Re-try again but wait on pages/inodes which are being - * written-back concurrently (e.g., by pdflush). - */ - nr_written = sync_inodes_sb(c->vfs_sb); - } - - dbg_budg("%d pages were written back", nr_written); - return nr_written; + writeback_inodes_sb(c->vfs_sb); } /** |