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authorYongqiang Yang <xiaoqiangnk@gmail.com>2011-07-26 22:05:53 -0400
committerTheodore Ts'o <tytso@mit.edu>2011-07-26 22:05:53 -0400
commitc3e94d1df9bdd9e2c4ba7e8f534f7925f1756f97 (patch)
treeb0f23df82b491e04b64d7d67e4eecc80d1f4c6a0 /fs/ext4/mballoc.c
parent2b79b09d13e35577151bd13ba08809911baccd1c (diff)
ext4: let setup_new_group_blocks() set multiple bits at a time
Rename mb_set_bits() to ext4_set_bits() and make it a global function so that setup_new_group_blocks() can use it. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b6ef4da39ce3..fa716c9b2455 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1282,7 +1282,7 @@ static void mb_clear_bits(void *bm, int cur, int len)
}
}
-static void mb_set_bits(void *bm, int cur, int len)
+void ext4_set_bits(void *bm, int cur, int len)
{
__u32 *addr;
@@ -1511,7 +1511,7 @@ static int mb_mark_used(struct ext4_buddy *e4b, struct ext4_free_extent *ex)
}
mb_set_largest_free_order(e4b->bd_sb, e4b->bd_info);
- mb_set_bits(EXT4_MB_BITMAP(e4b), ex->fe_start, len0);
+ ext4_set_bits(EXT4_MB_BITMAP(e4b), ex->fe_start, len0);
mb_check_buddy(e4b);
return ret;
@@ -2795,8 +2795,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
* We leak some of the blocks here.
*/
ext4_lock_group(sb, ac->ac_b_ex.fe_group);
- mb_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,
- ac->ac_b_ex.fe_len);
+ ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,
+ ac->ac_b_ex.fe_len);
ext4_unlock_group(sb, ac->ac_b_ex.fe_group);
err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
if (!err)
@@ -2814,7 +2814,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
}
}
#endif
- mb_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,ac->ac_b_ex.fe_len);
+ ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,
+ ac->ac_b_ex.fe_len);
if (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
gdp->bg_flags &= cpu_to_le16(~EXT4_BG_BLOCK_UNINIT);
ext4_free_blks_set(sb, gdp,
@@ -3284,7 +3285,7 @@ static void ext4_mb_generate_from_freelist(struct super_block *sb, void *bitmap,
while (n) {
entry = rb_entry(n, struct ext4_free_data, node);
- mb_set_bits(bitmap, entry->start_blk, entry->count);
+ ext4_set_bits(bitmap, entry->start_blk, entry->count);
n = rb_next(n);
}
return;
@@ -3326,7 +3327,7 @@ void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap,
if (unlikely(len == 0))
continue;
BUG_ON(groupnr != group);
- mb_set_bits(bitmap, start, len);
+ ext4_set_bits(bitmap, start, len);
preallocated += len;
count++;
}