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ext4: remove mention of PageWriteback

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Update a comment to refer to the concept of writeback instead of the
(now obsolete) detail of how it's implemented.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Baokun Li <libaokun@linux.alibaba.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260526190805.341676-1-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Matthew Wilcox (Oracle) 2026-05-26 20:08:02 +01:00 committed by Theodore Ts'o
parent 3ca1d19c19
commit 4e3a55f44b
1 changed files with 1 additions and 1 deletions
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fs/ext4/page-io.c
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@ -168,7 +168,7 @@ static void ext4_release_io_end(ext4_io_end_t *io_end)
* written. On IO failure, check if journal abort is needed. Note that
* we are protected from truncate touching same part of extent tree by the
* fact that truncate code waits for all DIO to finish (thus exclusion from
* direct IO is achieved) and also waits for PageWriteback bits. Thus we
* direct IO is achieved) and also waits for writeback to complete. Thus we
* cannot get to ext4_ext_truncate() before all IOs overlapping that range are
* completed (happens from ext4_free_ioend()).
*/