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ext4: remove loop around bio_alloc() 

These days, bio_alloc() is guaranteed to never fail (as long as nvecs
is less than BIO_MAX_PAGES), so we don't need the loop around the
struct bio allocation.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2011-06-29 21:44:45 -04:00
parent 9331b62610
commit 275d3ba6b4
1 changed files with 1 additions and 5 deletions
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6
fs/ext4/page-io.c
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@ -285,11 +285,7 @@ static int io_submit_init(struct ext4_io_submit *io,
io_end = ext4_init_io_end(inode, GFP_NOFS);
if (!io_end)
return -ENOMEM;
do {
bio = bio_alloc(GFP_NOIO, nvecs);
nvecs >>= 1;
} while (bio == NULL);
bio = bio_alloc(GFP_NOIO, min(nvecs, BIO_MAX_PAGES));
bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9);
bio->bi_bdev = bh->b_bdev;
bio->bi_private = io->io_end = io_end;