From: marcin.slusarz@gmail.com Subject: [PATCH 2/3] ext3: replace all adds to little endians variables with le*_add_cpu Date: Sat, 5 Jan 2008 16:36:21 +0100 Message-ID: <1199547382-29969-3-git-send-email-marcin.slusarz@gmail.com> References: <1199547382-29969-1-git-send-email-marcin.slusarz@gmail.com> Cc: Mark Fasheh , OCFS2-devel , Christoph Hellwig , kernel-janitors , Andrew Morton , linux-ext4@vger.kernel.org, xfs-masters@oss.sgi.com, Marcin Slusarz To: LKML Return-path: In-Reply-To: <1199547382-29969-1-git-send-email-marcin.slusarz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org 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 --- fs/ext3/balloc.c | 7 ++----- fs/ext3/ialloc.c | 12 ++++-------- fs/ext3/resize.c | 12 ++++-------- fs/ext3/super.c | 2 +- fs/ext3/xattr.c | 6 ++---- 5 files changed, 13 insertions(+), 26 deletions(-) diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index a8ba7e8..89f320f 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -566,9 +566,7 @@ do_more: 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); @@ -1630,8 +1628,7 @@ allocated: 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); diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c index 1bc8cd8..3b6b9da 100644 --- a/fs/ext3/ialloc.c +++ b/fs/ext3/ialloc.c @@ -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 @@ got: 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"); diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 44de145..5b402a7 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -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; @@ -891,10 +890,8 @@ 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 @@ -927,8 +924,7 @@ 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, diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 92f03b6..70da5a3 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -1224,7 +1224,7 @@ 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); diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c index 4083738..fb89c29 100644 --- a/fs/ext3/xattr.c +++ b/fs/ext3/xattr.c @@ -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 @@ inserted: 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); -- 1.5.3.7