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ext3: replace all adds to little endians variables with le*_add_cpu

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replace all:
	little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
				expression_in_cpu_byteorder);
with:
	leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
sparse didn't generate any new warning with this patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Cc: David Chinner <dgc@sgi.com>
Cc: Timothy Shimmin <tes@sgi.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Marcin Slusarz 2008-02-08 04:20:13 -08:00 committed by Linus Torvalds
parent 8b5f688368
commit 50e8a2890e
5 changed files with 13 additions and 26 deletions
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7
fs/ext3/balloc.c
View File

@ -630,9 +630,7 @@ void ext3_free_blocks_sb(handle_t *handle, struct super_block *sb,
jbd_unlock_bh_state(bitmap_bh);
spin_lock(sb_bgl_lock(sbi, block_group));
desc->bg_free_blocks_count =
cpu_to_le16(le16_to_cpu(desc->bg_free_blocks_count) +
group_freed);
le16_add_cpu(&desc->bg_free_blocks_count, group_freed);
spin_unlock(sb_bgl_lock(sbi, block_group));
percpu_counter_add(&sbi->s_freeblocks_counter, count);
@ -1696,8 +1694,7 @@ ext3_fsblk_t ext3_new_blocks(handle_t *handle, struct inode *inode,
ret_block, goal_hits, goal_attempts);
spin_lock(sb_bgl_lock(sbi, group_no));
gdp->bg_free_blocks_count =
cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)-num);
le16_add_cpu(&gdp->bg_free_blocks_count, -num);
spin_unlock(sb_bgl_lock(sbi, group_no));
percpu_counter_sub(&sbi->s_freeblocks_counter, num);

12
fs/ext3/ialloc.c
View File

@ -164,11 +164,9 @@ void ext3_free_inode (handle_t *handle, struct inode * inode)
if (gdp) {
spin_lock(sb_bgl_lock(sbi, block_group));
gdp->bg_free_inodes_count = cpu_to_le16(
le16_to_cpu(gdp->bg_free_inodes_count) + 1);
le16_add_cpu(&gdp->bg_free_inodes_count, 1);
if (is_directory)
gdp->bg_used_dirs_count = cpu_to_le16(
le16_to_cpu(gdp->bg_used_dirs_count) - 1);
le16_add_cpu(&gdp->bg_used_dirs_count, -1);
spin_unlock(sb_bgl_lock(sbi, block_group));
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (is_directory)
@ -527,11 +525,9 @@ struct inode *ext3_new_inode(handle_t *handle, struct inode * dir, int mode)
err = ext3_journal_get_write_access(handle, bh2);
if (err) goto fail;
spin_lock(sb_bgl_lock(sbi, group));
gdp->bg_free_inodes_count =
cpu_to_le16(le16_to_cpu(gdp->bg_free_inodes_count) - 1);
le16_add_cpu(&gdp->bg_free_inodes_count, -1);
if (S_ISDIR(mode)) {
gdp->bg_used_dirs_count =
cpu_to_le16(le16_to_cpu(gdp->bg_used_dirs_count) + 1);
le16_add_cpu(&gdp->bg_used_dirs_count, 1);
}
spin_unlock(sb_bgl_lock(sbi, group));
BUFFER_TRACE(bh2, "call ext3_journal_dirty_metadata");

12
fs/ext3/resize.c
View File

@ -518,8 +518,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
EXT3_SB(sb)->s_gdb_count++;
kfree(o_group_desc);
es->s_reserved_gdt_blocks =
cpu_to_le16(le16_to_cpu(es->s_reserved_gdt_blocks) - 1);
le16_add_cpu(&es->s_reserved_gdt_blocks, -1);
ext3_journal_dirty_metadata(handle, EXT3_SB(sb)->s_sbh);
return 0;
@ -890,10 +889,8 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
* blocks/inodes before the group is live won't actually let us
* allocate the new space yet.
*/
es->s_blocks_count = cpu_to_le32(le32_to_cpu(es->s_blocks_count) +
input->blocks_count);
es->s_inodes_count = cpu_to_le32(le32_to_cpu(es->s_inodes_count) +
EXT3_INODES_PER_GROUP(sb));
le32_add_cpu(&es->s_blocks_count, input->blocks_count);
le32_add_cpu(&es->s_inodes_count, EXT3_INODES_PER_GROUP(sb));
/*
* We need to protect s_groups_count against other CPUs seeing
@ -926,8 +923,7 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
/* Update the reserved block counts only once the new group is
* active. */
es->s_r_blocks_count = cpu_to_le32(le32_to_cpu(es->s_r_blocks_count) +
input->reserved_blocks);
le32_add_cpu(&es->s_r_blocks_count, input->reserved_blocks);
/* Update the free space counts */
percpu_counter_add(&sbi->s_freeblocks_counter,

2
fs/ext3/super.c
View File

@ -1222,7 +1222,7 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
#endif
if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT3_DFL_MAX_MNT_COUNT);
es->s_mnt_count=cpu_to_le16(le16_to_cpu(es->s_mnt_count) + 1);
le16_add_cpu(&es->s_mnt_count, 1);
es->s_mtime = cpu_to_le32(get_seconds());
ext3_update_dynamic_rev(sb);
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);

6
fs/ext3/xattr.c
View File

@ -492,8 +492,7 @@ ext3_xattr_release_block(handle_t *handle, struct inode *inode,
get_bh(bh);
ext3_forget(handle, 1, inode, bh, bh->b_blocknr);
} else {
BHDR(bh)->h_refcount = cpu_to_le32(
le32_to_cpu(BHDR(bh)->h_refcount) - 1);
le32_add_cpu(&BHDR(bh)->h_refcount, -1);
error = ext3_journal_dirty_metadata(handle, bh);
if (IS_SYNC(inode))
handle->h_sync = 1;
@ -780,8 +779,7 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode,
if (error)
goto cleanup_dquot;
lock_buffer(new_bh);
BHDR(new_bh)->h_refcount = cpu_to_le32(1 +
le32_to_cpu(BHDR(new_bh)->h_refcount));
le32_add_cpu(&BHDR(new_bh)->h_refcount, 1);
ea_bdebug(new_bh, "reusing; refcount now=%d",
le32_to_cpu(BHDR(new_bh)->h_refcount));
unlock_buffer(new_bh);