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| author | Miao Xie <miaox@cn.fujitsu.com> | 2012-11-28 10:28:07 +0000 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-12-16 20:46:14 -0500 |
| commit | 797f4277113bff142b6c64a55abaef64d7d67d5c (patch) | |
| tree | 73f4b8f53e40ee6f7ceefe3d5eec47006fefa4d8 /fs/btrfs/file.c | |
| parent | af1be4f851db4f4975f0139211a6561776ef37c0 (diff) | |
| download | blackbird-op-linux-797f4277113bff142b6c64a55abaef64d7d67d5c.tar.gz blackbird-op-linux-797f4277113bff142b6c64a55abaef64d7d67d5c.zip | |
Btrfs: use existing align macros in btrfs_allocate()
The kernel developers have implemented some often-used align macros, we should
use them instead of the complex code.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index d415a052ca9a..a43d0aef6ee1 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2054,12 +2054,12 @@ static long btrfs_fallocate(struct file *file, int mode, u64 alloc_end; u64 alloc_hint = 0; u64 locked_end; - u64 mask = BTRFS_I(inode)->root->sectorsize - 1; struct extent_map *em; + int blocksize = BTRFS_I(inode)->root->sectorsize; int ret; - alloc_start = offset & ~mask; - alloc_end = (offset + len + mask) & ~mask; + alloc_start = round_down(offset, blocksize); + alloc_end = round_up(offset + len, blocksize); /* Make sure we aren't being give some crap mode */ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) @@ -2140,7 +2140,7 @@ static long btrfs_fallocate(struct file *file, int mode, } last_byte = min(extent_map_end(em), alloc_end); actual_end = min_t(u64, extent_map_end(em), offset + len); - last_byte = (last_byte + mask) & ~mask; + last_byte = ALIGN(last_byte, blocksize); if (em->block_start == EXTENT_MAP_HOLE || (cur_offset >= inode->i_size && |
