joel16/android_kernel_sony_msm8994_rework
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[PATCH] Change ll_rw_block() calls in JBD

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We must be sure that the current data in buffer are sent to disk.  Hence we
have to call ll_rw_block() with SWRITE.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Kara 2005-09-06 15:19:12 -07:00 committed by Linus Torvalds
parent a766223625
commit 26707699b5
4 changed files with 5 additions and 5 deletions
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2
fs/jbd/checkpoint.c
View File

@ -204,7 +204,7 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count)
int i;
spin_unlock(&journal->j_list_lock);
ll_rw_block(WRITE, *batch_count, bhs);
ll_rw_block(SWRITE, *batch_count, bhs);
spin_lock(&journal->j_list_lock);
for (i = 0; i < *batch_count; i++) {
struct buffer_head *bh = bhs[i];

4
fs/jbd/commit.c
View File

@ -358,7 +358,7 @@ write_out_data:
jbd_debug(2, "submit %d writes\n",
bufs);
spin_unlock(&journal->j_list_lock);
ll_rw_block(WRITE, bufs, wbuf);
ll_rw_block(SWRITE, bufs, wbuf);
journal_brelse_array(wbuf, bufs);
bufs = 0;
goto write_out_data;
@ -381,7 +381,7 @@ write_out_data:
if (bufs) {
spin_unlock(&journal->j_list_lock);
ll_rw_block(WRITE, bufs, wbuf);
ll_rw_block(SWRITE, bufs, wbuf);
journal_brelse_array(wbuf, bufs);
spin_lock(&journal->j_list_lock);
}

2
fs/jbd/journal.c
View File

@ -957,7 +957,7 @@ void journal_update_superblock(journal_t *journal, int wait)
if (wait)
sync_dirty_buffer(bh);
else
ll_rw_block(WRITE, 1, &bh);
ll_rw_block(SWRITE, 1, &bh);
out:
/* If we have just flushed the log (by marking s_start==0), then

2
fs/jbd/revoke.c
View File

@ -614,7 +614,7 @@ static void flush_descriptor(journal_t *journal,
set_buffer_jwrite(bh);
BUFFER_TRACE(bh, "write");
set_buffer_dirty(bh);
ll_rw_block(WRITE, 1, &bh);
ll_rw_block(SWRITE, 1, &bh);
}
#endif