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| author |   Leah Rumancik <leah.rumancik@gmail.com> | 2021-05-18 15:13:25 +0000 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2021-06-22 19:27:10 -0400 |
| commit | 01d5d96542fd4e383da79593f8a3450995ce2257 (patch) | |
| tree | cc7fc418d36a2cda0f939cc19a499c8d2bce953e /include/linux/jbd2.h | |
| parent | ext4: return error code when ext4_fill_flex_info() fails (diff) | |
| download | wireguard-linux-01d5d96542fd4e383da79593f8a3450995ce2257.tar.xz wireguard-linux-01d5d96542fd4e383da79593f8a3450995ce2257.zip | |
ext4: add discard/zeroout flags to journal flush
Add a flags argument to jbd2_journal_flush to enable discarding or
zero-filling the journal blocks while flushing the journal.
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Link: https://lore.kernel.org/r/20210518151327.130198-1-leah.rumancik@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'include/linux/jbd2.h')
| -rw-r--r-- | include/linux/jbd2.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index db0e1920cb12..8543233b0388 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1370,6 +1370,10 @@ JBD2_FEATURE_INCOMPAT_FUNCS(fast_commit, FAST_COMMIT) * mode */ #define JBD2_FAST_COMMIT_ONGOING 0x100 /* Fast commit is ongoing */ #define JBD2_FULL_COMMIT_ONGOING 0x200 /* Full commit is ongoing */ +#define JBD2_JOURNAL_FLUSH_DISCARD 0x0001 +#define JBD2_JOURNAL_FLUSH_ZEROOUT 0x0002 +#define JBD2_JOURNAL_FLUSH_VALID (JBD2_JOURNAL_FLUSH_DISCARD | \ + JBD2_JOURNAL_FLUSH_ZEROOUT) /* * Function declarations for the journaling transaction and buffer @@ -1500,7 +1504,7 @@ extern int jbd2_journal_invalidatepage(journal_t *, struct page *, unsigned int, unsigned int); extern int jbd2_journal_try_to_free_buffers(journal_t *journal, struct page *page); extern int jbd2_journal_stop(handle_t *); -extern int jbd2_journal_flush (journal_t *); +extern int jbd2_journal_flush(journal_t *journal, unsigned int flags); extern void jbd2_journal_lock_updates (journal_t *); extern void jbd2_journal_unlock_updates (journal_t *); |