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| author | Theodore Ts'o <tytso@mit.edu> | 2014-09-19 00:12:37 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2014-09-19 00:12:37 +0400 |
| commit | bda3253043c54a705c8352096194ab6216e2e5c1 (patch) | |
| tree | 647d91bd269c550340a60d525cd2825f21ecdebe /fs/ext4 | |
| parent | 279bf6d390933d5353ab298fcc306c391a961469 (diff) | |
| download | linux-bda3253043c54a705c8352096194ab6216e2e5c1.tar.xz | |
ext4: fold ext4_sync_fs_nojournal() into ext4_sync_fs()
This allows us to eliminate duplicate code, and eventually allow us to
also fold ext4_sops and ext4_nojournal_sops together.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/super.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 115e27d855ef..4770c98bdb61 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -70,7 +70,6 @@ static void ext4_mark_recovery_complete(struct super_block *sb, static void ext4_clear_journal_err(struct super_block *sb, struct ext4_super_block *es); static int ext4_sync_fs(struct super_block *sb, int wait); -static int ext4_sync_fs_nojournal(struct super_block *sb, int wait); static int ext4_remount(struct super_block *sb, int *flags, char *data); static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf); static int ext4_unfreeze(struct super_block *sb); @@ -1131,7 +1130,7 @@ static const struct super_operations ext4_nojournal_sops = { .dirty_inode = ext4_dirty_inode, .drop_inode = ext4_drop_inode, .evict_inode = ext4_evict_inode, - .sync_fs = ext4_sync_fs_nojournal, + .sync_fs = ext4_sync_fs, .put_super = ext4_put_super, .statfs = ext4_statfs, .remount_fs = ext4_remount, @@ -4718,15 +4717,19 @@ static int ext4_sync_fs(struct super_block *sb, int wait) * being sent at the end of the function. But we can skip it if * transaction_commit will do it for us. */ - target = jbd2_get_latest_transaction(sbi->s_journal); - if (wait && sbi->s_journal->j_flags & JBD2_BARRIER && - !jbd2_trans_will_send_data_barrier(sbi->s_journal, target)) + if (sbi->s_journal) { + target = jbd2_get_latest_transaction(sbi->s_journal); + if (wait && sbi->s_journal->j_flags & JBD2_BARRIER && + !jbd2_trans_will_send_data_barrier(sbi->s_journal, target)) + needs_barrier = true; + + if (jbd2_journal_start_commit(sbi->s_journal, &target)) { + if (wait) + ret = jbd2_log_wait_commit(sbi->s_journal, + target); + } + } else if (wait && test_opt(sb, BARRIER)) needs_barrier = true; - - if (jbd2_journal_start_commit(sbi->s_journal, &target)) { - if (wait) - ret = jbd2_log_wait_commit(sbi->s_journal, target); - } if (needs_barrier) { int err; err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL); @@ -4737,19 +4740,6 @@ static int ext4_sync_fs(struct super_block *sb, int wait) return ret; } -static int ext4_sync_fs_nojournal(struct super_block *sb, int wait) -{ - int ret = 0; - - trace_ext4_sync_fs(sb, wait); - flush_workqueue(EXT4_SB(sb)->rsv_conversion_wq); - dquot_writeback_dquots(sb, -1); - if (wait && test_opt(sb, BARRIER)) - ret = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL); - - return ret; -} - /* * LVM calls this function before a (read-only) snapshot is created. This * gives us a chance to flush the journal completely and mark the fs clean. |