diff options
| author | Chengguang Xu <cgxu519@mykernel.net> | 2019-11-04 19:40:33 +0800 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2019-11-06 16:25:15 +0100 |
| commit | 90f3741c2b567d3f16c13d574dbd5d42ed076b2e (patch) | |
| tree | 489a0a35a7dbab7485cc76913843e001c46c9420 /fs/ext2/balloc.c | |
| parent | eb9e47fc230aafc3ac1e5eeae6d0d8d5e108bbae (diff) | |
| download | blackbird-op-linux-90f3741c2b567d3f16c13d574dbd5d42ed076b2e.tar.gz blackbird-op-linux-90f3741c2b567d3f16c13d574dbd5d42ed076b2e.zip | |
ext2: code cleanup by calling ext2_group_last_block_no()
Call common helper ext2_group_last_block_no() to
calculate group last block number.
Link: https://lore.kernel.org/r/20191104114036.9893-2-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2/balloc.c')
| -rw-r--r-- | fs/ext2/balloc.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 19bce75d207b..994a1fd18e93 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -269,7 +269,7 @@ goal_in_my_reservation(struct ext2_reserve_window *rsv, ext2_grpblk_t grp_goal, ext2_fsblk_t group_first_block, group_last_block; group_first_block = ext2_group_first_block_no(sb, group); - group_last_block = group_first_block + EXT2_BLOCKS_PER_GROUP(sb) - 1; + group_last_block = ext2_group_last_block_no(sb, group); if ((rsv->_rsv_start > group_last_block) || (rsv->_rsv_end < group_first_block)) @@ -666,22 +666,22 @@ ext2_try_to_allocate(struct super_block *sb, int group, unsigned long *count, struct ext2_reserve_window *my_rsv) { - ext2_fsblk_t group_first_block; + ext2_fsblk_t group_first_block = ext2_group_first_block_no(sb, group); + ext2_fsblk_t group_last_block = ext2_group_last_block_no(sb, group); ext2_grpblk_t start, end; unsigned long num = 0; /* we do allocation within the reservation window if we have a window */ if (my_rsv) { - group_first_block = ext2_group_first_block_no(sb, group); if (my_rsv->_rsv_start >= group_first_block) start = my_rsv->_rsv_start - group_first_block; else /* reservation window cross group boundary */ start = 0; end = my_rsv->_rsv_end - group_first_block + 1; - if (end > EXT2_BLOCKS_PER_GROUP(sb)) + if (end > group_last_block - group_first_block + 1) /* reservation window crosses group boundary */ - end = EXT2_BLOCKS_PER_GROUP(sb); + end = group_last_block - group_first_block + 1; if ((start <= grp_goal) && (grp_goal < end)) start = grp_goal; else @@ -691,7 +691,7 @@ ext2_try_to_allocate(struct super_block *sb, int group, start = grp_goal; else start = 0; - end = EXT2_BLOCKS_PER_GROUP(sb); + end = group_last_block - group_first_block + 1; } BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb)); @@ -907,7 +907,7 @@ static int alloc_new_reservation(struct ext2_reserve_window_node *my_rsv, spinlock_t *rsv_lock = &EXT2_SB(sb)->s_rsv_window_lock; group_first_block = ext2_group_first_block_no(sb, group); - group_end_block = group_first_block + (EXT2_BLOCKS_PER_GROUP(sb) - 1); + group_end_block = ext2_group_last_block_no(sb, group); if (grp_goal < 0) start_block = group_first_block; @@ -1114,7 +1114,7 @@ ext2_try_to_allocate_with_rsv(struct super_block *sb, unsigned int group, * first block is the block number of the first block in this group */ group_first_block = ext2_group_first_block_no(sb, group); - group_last_block = group_first_block + (EXT2_BLOCKS_PER_GROUP(sb) - 1); + group_last_block = ext2_group_last_block_no(sb, group); /* * Basically we will allocate a new block from inode's reservation |
