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authorJan Kara <jack@suse.cz>2016-04-24 00:56:07 -0400
committerTheodore Ts'o <tytso@mit.edu>2016-04-24 00:56:07 -0400
commit41617e1a8dec9fe082ba5dec26bacb154eb55482 (patch)
treecad9847e725526c8af355f116ec5cf317dc2d24c /fs/ocfs2/journal.h
parent3957ef53a5033bd519b19cf375061be1929bdb5f (diff)
jbd2: add support for avoiding data writes during transaction commits
Currently when filesystem needs to make sure data is on permanent storage before committing a transaction it adds inode to transaction's inode list. During transaction commit, jbd2 writes back all dirty buffers that have allocated underlying blocks and waits for the IO to finish. However when doing writeback for delayed allocated data, we allocate blocks and immediately submit the data. Thus asking jbd2 to write dirty pages just unnecessarily adds more work to jbd2 possibly writing back other redirtied blocks. Add support to jbd2 to allow filesystem to ask jbd2 to only wait for outstanding data writes before committing a transaction and thus avoid unnecessary writes. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ocfs2/journal.h')
-rw-r--r--fs/ocfs2/journal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index f4cd3c3e9fb7..497a4171ef61 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -619,7 +619,7 @@ static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb,
static inline int ocfs2_jbd2_file_inode(handle_t *handle, struct inode *inode)
{
- return jbd2_journal_file_inode(handle, &OCFS2_I(inode)->ip_jinode);
+ return jbd2_journal_inode_add_write(handle, &OCFS2_I(inode)->ip_jinode);
}
static inline int ocfs2_begin_ordered_truncate(struct inode *inode,