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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 20:13:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 20:13:18 -0700
commit7d2f280e75f05919314e250cadf361a327ed555c (patch)
tree47db5a9a0ceaf31adf49c18b663b1e08184f7cff /fs/ext3/balloc.c
parente3e1288e86a07cdeb0aee5860a2dff111c6eff79 (diff)
parent4408ea41c0ab4b711d4da44dd954fb06dce6c3f8 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (24 commits) quota: Fix possible oops in __dquot_initialize() ext3: Update kernel-doc comments jbd/2: fixed typos ext2: fixed typo. ext3: Fix debug messages in ext3_group_extend() jbd: Convert atomic_inc() to get_bh() ext3: Remove misplaced BUFFER_TRACE() in ext3_truncate() jbd: Fix debug message in do_get_write_access() jbd: Check return value of __getblk() ext3: Use DIV_ROUND_UP() on group desc block counting ext3: Return proper error code on ext3_fill_super() ext3: Remove unnecessary casts on bh->b_data ext3: Cleanup ext3_setup_super() quota: Fix issuing of warnings from dquot_transfer quota: fix dquot_disable vs dquot_transfer race v2 jbd: Convert bitops to buffer fns ext3/jbd: Avoid WARN() messages when failing to write the superblock jbd: Use offset_in_page() instead of manual calculation jbd: Remove unnecessary goto statement jbd: Use printk_ratelimited() in journal_alloc_journal_head() ...
Diffstat (limited to 'fs/ext3/balloc.c')
-rw-r--r--fs/ext3/balloc.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 4a32511f4de..b3db2264942 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -792,9 +792,9 @@ find_next_usable_block(ext3_grpblk_t start, struct buffer_head *bh,
if (here < 0)
here = 0;
- p = ((char *)bh->b_data) + (here >> 3);
+ p = bh->b_data + (here >> 3);
r = memscan(p, 0, ((maxblocks + 7) >> 3) - (here >> 3));
- next = (r - ((char *)bh->b_data)) << 3;
+ next = (r - bh->b_data) << 3;
if (next < maxblocks && next >= start && ext3_test_allocatable(next, bh))
return next;
@@ -810,8 +810,9 @@ find_next_usable_block(ext3_grpblk_t start, struct buffer_head *bh,
/**
* claim_block()
+ * @lock: the spin lock for this block group
* @block: the free block (group relative) to allocate
- * @bh: the bufferhead containts the block group bitmap
+ * @bh: the buffer_head contains the block group bitmap
*
* We think we can allocate this block in this bitmap. Try to set the bit.
* If that succeeds then check that nobody has allocated and then freed the
@@ -956,9 +957,11 @@ fail_access:
* but we will shift to the place where start_block is,
* then start from there, when looking for a reservable space.
*
- * @size: the target new reservation window size
+ * @my_rsv: the reservation window
*
- * @group_first_block: the first block we consider to start
+ * @sb: the super block
+ *
+ * @start_block: the first block we consider to start
* the real search from
*
* @last_block:
@@ -1084,7 +1087,7 @@ static int find_next_reservable_window(
*
* failed: we failed to find a reservation window in this group
*
- * @rsv: the reservation
+ * @my_rsv: the reservation window
*
* @grp_goal: The goal (group-relative). It is where the search for a
* free reservable space should start from.
@@ -1273,8 +1276,8 @@ static void try_to_extend_reservation(struct ext3_reserve_window_node *my_rsv,
* @group: given allocation block group
* @bitmap_bh: bufferhead holds the block bitmap
* @grp_goal: given target block within the group
- * @count: target number of blocks to allocate
* @my_rsv: reservation window
+ * @count: target number of blocks to allocate
* @errp: pointer to store the error code
*
* This is the main function used to allocate a new block and its reservation