Commit e360c6ed authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o

ext4: Drop special handling of journalled data from ext4_sync_file()

Now that ext4_writepages() make sure all pages with journalled data are
stable on disk, we don't need special handling of journalled data in
ext4_sync_file().
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230329154950.19720-6-jack@suse.czSigned-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 1f1a55f0
......@@ -153,23 +153,12 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
goto out;
/*
* data=writeback,ordered:
* The caller's filemap_fdatawrite()/wait will sync the data.
* Metadata is in the journal, we wait for proper transaction to
* commit here.
*
* data=journal:
* filemap_fdatawrite won't do anything (the buffers are clean).
* ext4_force_commit will write the file data into the journal and
* will wait on that.
* filemap_fdatawait() will encounter a ton of newly-dirtied pages
* (they were dirtied by commit). But that's OK - the blocks are
* safe in-journal, which is all fsync() needs to ensure.
*/
if (!sbi->s_journal)
ret = ext4_fsync_nojournal(inode, datasync, &needs_barrier);
else if (ext4_should_journal_data(inode))
ret = ext4_force_commit(inode->i_sb);
else
ret = ext4_fsync_journal(inode, datasync, &needs_barrier);
......
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