diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-07-21 23:07:33 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-21 23:07:33 +0200 |
commit | 608f593b1313080301b76875487af6da508f67a1 (patch) | |
tree | b775454cd4d1d380134c2d91ff79d0375987dc64 /fs/buffer.c | |
parent | a1acbbf4adcd346f12fc567143eac90ef33f29b0 (diff) | |
parent | 84a1caf1453c3d44050bd22db958af4a7f99315c (diff) |
Merge tag 'v3.5-rc7' into next/boards
Linux 3.5-rc7
Prerequisite for samsung/board3 branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs/buffer.c')
-rw-r--r-- | fs/buffer.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 838a9cf246b..c7062c896d7 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1036,6 +1036,9 @@ grow_buffers(struct block_device *bdev, sector_t block, int size) static struct buffer_head * __getblk_slow(struct block_device *bdev, sector_t block, int size) { + int ret; + struct buffer_head *bh; + /* Size must be multiple of hard sectorsize */ if (unlikely(size & (bdev_logical_block_size(bdev)-1) || (size < 512 || size > PAGE_SIZE))) { @@ -1048,20 +1051,21 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size) return NULL; } - for (;;) { - struct buffer_head * bh; - int ret; +retry: + bh = __find_get_block(bdev, block, size); + if (bh) + return bh; + ret = grow_buffers(bdev, block, size); + if (ret == 0) { + free_more_memory(); + goto retry; + } else if (ret > 0) { bh = __find_get_block(bdev, block, size); if (bh) return bh; - - ret = grow_buffers(bdev, block, size); - if (ret < 0) - return NULL; - if (ret == 0) - free_more_memory(); } + return NULL; } /* |