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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 09:57:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 09:57:41 -0700
commitae005cbed12d0b340b04b59d6f5c56e710b3895d (patch)
treed464865bcc97bea05eab4eba0d10bcad4ec89b93 /fs/ext4/page-io.c
parent3961cdf85b749f6bab50ad31ee97e9277e7a3b70 (diff)
parent0ba0851714beebb800992e5105a79dc3a4c504b0 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (43 commits) ext4: fix a BUG in mb_mark_used during trim. ext4: unused variables cleanup in fs/ext4/extents.c ext4: remove redundant set_buffer_mapped() in ext4_da_get_block_prep() ext4: add more tracepoints and use dev_t in the trace buffer ext4: don't kfree uninitialized s_group_info members ext4: add missing space in printk's in __ext4_grp_locked_error() ext4: add FITRIM to compat_ioctl. ext4: handle errors in ext4_clear_blocks() ext4: unify the ext4_handle_release_buffer() api ext4: handle errors in ext4_rename jbd2: add COW fields to struct jbd2_journal_handle jbd2: add the b_cow_tid field to journal_head struct ext4: Initialize fsync transaction ids in ext4_new_inode() ext4: Use single thread to perform DIO unwritten convertion ext4: optimize ext4_bio_write_page() when no extent conversion is needed ext4: skip orphan cleanup if fs has unknown ROCOMPAT features ext4: use the nblocks arg to ext4_truncate_restart_trans() ext4: fix missing iput of root inode for some mount error paths ext4: make FIEMAP and delayed allocation play well together ext4: suppress verbose debugging information if malloc-debug is off ... Fi up conflicts in fs/ext4/super.c due to workqueue changes
Diffstat (limited to 'fs/ext4/page-io.c')
-rw-r--r--fs/ext4/page-io.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index e2cd90e4bb7..b6dbd056fcb 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -259,6 +259,11 @@ static void ext4_end_bio(struct bio *bio, int error)
bi_sector >> (inode->i_blkbits - 9));
}
+ if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
+ ext4_free_io_end(io_end);
+ return;
+ }
+
/* Add the io_end to per-inode completed io list*/
spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);
list_add_tail(&io_end->list, &EXT4_I(inode)->i_completed_io_list);
@@ -279,9 +284,9 @@ void ext4_io_submit(struct ext4_io_submit *io)
BUG_ON(bio_flagged(io->io_bio, BIO_EOPNOTSUPP));
bio_put(io->io_bio);
}
- io->io_bio = 0;
+ io->io_bio = NULL;
io->io_op = 0;
- io->io_end = 0;
+ io->io_end = NULL;
}
static int io_submit_init(struct ext4_io_submit *io,
@@ -380,8 +385,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
BUG_ON(!PageLocked(page));
BUG_ON(PageWriteback(page));
- set_page_writeback(page);
- ClearPageError(page);
io_page = kmem_cache_alloc(io_page_cachep, GFP_NOFS);
if (!io_page) {
@@ -392,6 +395,8 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
io_page->p_page = page;
atomic_set(&io_page->p_count, 1);
get_page(page);
+ set_page_writeback(page);
+ ClearPageError(page);
for (bh = head = page_buffers(page), block_start = 0;
bh != head || !block_start;