A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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remove SWRITE* I/O types

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These flags aren't real I/O types, but tell ll_rw_block to always
lock the buffer instead of giving up on a failed trylock.

Instead add a new write_dirty_buffer helper that implements this semantic
and use it from the existing SWRITE* callers.  Note that the ll_rw_block
code had a bug where it didn't promote WRITE_SYNC_PLUG properly, which
this patch fixes.

In the ufs code clean up the helper that used to call ll_rw_block
to mirror sync_dirty_buffer, which is the function it implements for
compound buffers.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-08-11 17:06:24 +02:00 • committed by Al Viro
commit 9cb569d601
16 changed files with 73 additions and 94 deletions
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2
fs/reiserfs/journal.c
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@ -2311,7 +2311,7 @@ static int journal_read_transaction(struct super_block *sb,
/* flush out the real blocks */
for (i = 0; i < get_desc_trans_len(desc); i++) {
set_buffer_dirty(real_blocks[i]);
ll_rw_block(SWRITE, 1, real_blocks + i);
write_dirty_buffer(real_blocks[i], WRITE);
}
for (i = 0; i < get_desc_trans_len(desc); i++) {
wait_on_buffer(real_blocks[i]);