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jbd2: switch jbd2_submit_inode_data() to use fs-provided hook for data writeout

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jbd2_submit_inode_data() hardcoded use of
jbd2_journal_submit_inode_data_buffers() for submission of data pages.
Make it use j_submit_inode_data_buffers hook instead. This effectively
switches ext4 fastcommits to use ext4_writepages() for data writeout
instead of generic_writepages().

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221207112722.22220-9-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2022-12-07 12:27:12 +01:00 committed by Theodore Ts'o
parent 59205c8d4e
commit f30ff35f62
3 changed files with 4 additions and 5 deletions
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2
fs/ext4/fast_commit.c
View File

@ -981,7 +981,7 @@ static int ext4_fc_submit_inode_data_all(journal_t *journal)
finish_wait(&ei->i_fc_wait, &wait);
}
spin_unlock(&sbi->s_fc_lock);
ret = jbd2_submit_inode_data(ei->jinode);
ret = jbd2_submit_inode_data(journal, ei->jinode);
if (ret)
return ret;
spin_lock(&sbi->s_fc_lock);

5
fs/jbd2/commit.c
View File

@ -207,14 +207,13 @@ int jbd2_journal_submit_inode_data_buffers(struct jbd2_inode *jinode)
}
/* Send all the data buffers related to an inode */
int jbd2_submit_inode_data(struct jbd2_inode *jinode)
int jbd2_submit_inode_data(journal_t *journal, struct jbd2_inode *jinode)
{
if (!jinode || !(jinode->i_flags & JI_WRITE_DATA))
return 0;
trace_jbd2_submit_inode_data(jinode->i_vfs_inode);
return jbd2_journal_submit_inode_data_buffers(jinode);
return journal->j_submit_inode_data_buffers(jinode);
}
EXPORT_SYMBOL(jbd2_submit_inode_data);

2
include/linux/jbd2.h
View File

@ -1662,7 +1662,7 @@ int jbd2_fc_begin_commit(journal_t *journal, tid_t tid);
int jbd2_fc_end_commit(journal_t *journal);
int jbd2_fc_end_commit_fallback(journal_t *journal);
int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out);
int jbd2_submit_inode_data(struct jbd2_inode *jinode);
int jbd2_submit_inode_data(journal_t *journal, struct jbd2_inode *jinode);
int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode);
int jbd2_fc_wait_bufs(journal_t *journal, int num_blks);
int jbd2_fc_release_bufs(journal_t *journal);