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[XFS] Make metadata IO completion consistent with other IO completion 

handlers.

SGI-PV: 938409
SGI-Modid: xfs-linux:xfs-kern:22965a

Signed-off-by: Nathan Scott <nathans@sgi.com>
hifive-unleashed-5.1
Nathan Scott 2005-09-02 16:39:56 +10:00
parent cdb626878f
commit eedb5530aa
1 changed files with 11 additions and 6 deletions
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17
fs/xfs/linux-2.6/xfs_buf.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -1249,8 +1249,8 @@ bio_end_io_pagebuf(
int error)
{
xfs_buf_t *pb = (xfs_buf_t *)bio->bi_private;
unsigned int i, blocksize = pb->pb_target->pbr_bsize;
struct bio_vec *bvec = bio->bi_io_vec;
unsigned int blocksize = pb->pb_target->pbr_bsize;
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
if (bio->bi_size)
return 1;
@ -1258,10 +1258,12 @@ bio_end_io_pagebuf(
if (!test_bit(BIO_UPTODATE, &bio->bi_flags))
pb->pb_error = EIO;
for (i = 0; i < bio->bi_vcnt; i++, bvec++) {
do {
struct page *page = bvec->bv_page;
if (pb->pb_error) {
if (unlikely(pb->pb_error)) {
if (pb->pb_flags & PBF_READ)
ClearPageUptodate(page);
SetPageError(page);
} else if (blocksize == PAGE_CACHE_SIZE) {
SetPageUptodate(page);
@ -1270,10 +1272,13 @@ bio_end_io_pagebuf(
set_page_region(page, bvec->bv_offset, bvec->bv_len);
}
if (--bvec >= bio->bi_io_vec)
prefetchw(&bvec->bv_page->flags);
if (_pagebuf_iolocked(pb)) {
unlock_page(page);
}
}
} while (bvec >= bio->bi_io_vec);
_pagebuf_iodone(pb, 1);
bio_put(bio);