2021-06-08 14:06:21

by yangerkun

[permalink] [raw]
Subject: [PATCH] jbd2: clean up misleading comments for jbd2_fc_release_bufs

This comments was for jbd2_fc_wait_bufs, not for jbd2_fc_release_bufs.
Remove this misleading comments.

Signed-off-by: yangerkun <[email protected]>
---
fs/jbd2/journal.c | 8 --------
1 file changed, 8 deletions(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 2dc944442802..ea46e5ad6b59 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -934,10 +934,6 @@ int jbd2_fc_wait_bufs(journal_t *journal, int num_blks)
}
EXPORT_SYMBOL(jbd2_fc_wait_bufs);

-/*
- * Wait on fast commit buffers that were allocated by jbd2_fc_get_buf
- * for completion.
- */
int jbd2_fc_release_bufs(journal_t *journal)
{
struct buffer_head *bh;
@@ -945,10 +941,6 @@ int jbd2_fc_release_bufs(journal_t *journal)

j_fc_off = journal->j_fc_off;

- /*
- * Wait in reverse order to minimize chances of us being woken up before
- * all IOs have completed
- */
for (i = j_fc_off - 1; i >= 0; i--) {
bh = journal->j_fc_wbuf[i];
if (!bh)
--
2.31.1


2021-06-09 14:01:44

by Jan Kara

[permalink] [raw]
Subject: Re: [PATCH] jbd2: clean up misleading comments for jbd2_fc_release_bufs

On Tue 08-06-21 22:12:36, yangerkun wrote:
> This comments was for jbd2_fc_wait_bufs, not for jbd2_fc_release_bufs.
> Remove this misleading comments.
>
> Signed-off-by: yangerkun <[email protected]>

Good point! Feel free to add:

Reviewed-by: Jan Kara <[email protected]>

Honza

> ---
> fs/jbd2/journal.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index 2dc944442802..ea46e5ad6b59 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -934,10 +934,6 @@ int jbd2_fc_wait_bufs(journal_t *journal, int num_blks)
> }
> EXPORT_SYMBOL(jbd2_fc_wait_bufs);
>
> -/*
> - * Wait on fast commit buffers that were allocated by jbd2_fc_get_buf
> - * for completion.
> - */
> int jbd2_fc_release_bufs(journal_t *journal)
> {
> struct buffer_head *bh;
> @@ -945,10 +941,6 @@ int jbd2_fc_release_bufs(journal_t *journal)
>
> j_fc_off = journal->j_fc_off;
>
> - /*
> - * Wait in reverse order to minimize chances of us being woken up before
> - * all IOs have completed
> - */
> for (i = j_fc_off - 1; i >= 0; i--) {
> bh = journal->j_fc_wbuf[i];
> if (!bh)
> --
> 2.31.1
>
--
Jan Kara <[email protected]>
SUSE Labs, CR