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Message-Id: <200802140024.m1E0Of6i021980@imap1.linux-foundation.org>
Date: Wed, 13 Feb 2008 16:24:41 -0800
From: akpm@...ux-foundation.org
To: mm-commits@...r.kernel.org
Cc: marcin.slusarz@...il.com, linux-ext4@...r.kernel.org
Subject: + ext4-le_add_cpu-conversion.patch added to -mm tree
The patch titled
ext4: le*_add_cpu conversion
has been added to the -mm tree. Its filename is
ext4-le_add_cpu-conversion.patch
Before you just go and hit "reply", please:
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ext4: le*_add_cpu conversion
From: Marcin Slusarz <marcin.slusarz@...il.com>
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);
generated with semantic patch
Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
Cc: <linux-ext4@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
fs/ext4/balloc.c | 7 ++-----
fs/ext4/extents.c | 20 +++++++++-----------
fs/ext4/ialloc.c | 12 ++++--------
fs/ext4/mballoc.c | 7 ++-----
fs/ext4/resize.c | 6 ++----
fs/ext4/super.c | 2 +-
fs/ext4/xattr.c | 6 ++----
7 files changed, 22 insertions(+), 38 deletions(-)
diff -puN fs/ext4/balloc.c~ext4-le_add_cpu-conversion fs/ext4/balloc.c
--- a/fs/ext4/balloc.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/balloc.c
@@ -754,9 +754,7 @@ 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);
desc->bg_checksum = ext4_group_desc_csum(sbi, block_group, desc);
spin_unlock(sb_bgl_lock(sbi, block_group));
percpu_counter_add(&sbi->s_freeblocks_counter, count);
@@ -1832,8 +1830,7 @@ allocated:
spin_lock(sb_bgl_lock(sbi, group_no));
if (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT))
gdp->bg_flags &= cpu_to_le16(~EXT4_BG_BLOCK_UNINIT);
- 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);
gdp->bg_checksum = ext4_group_desc_csum(sbi, group_no, gdp);
spin_unlock(sb_bgl_lock(sbi, group_no));
percpu_counter_sub(&sbi->s_freeblocks_counter, num);
diff -puN fs/ext4/extents.c~ext4-le_add_cpu-conversion fs/ext4/extents.c
--- a/fs/ext4/extents.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/extents.c
@@ -614,7 +614,7 @@ static int ext4_ext_insert_index(handle_
ix->ei_block = cpu_to_le32(logical);
ext4_idx_store_pblock(ix, ptr);
- curp->p_hdr->eh_entries = cpu_to_le16(le16_to_cpu(curp->p_hdr->eh_entries)+1);
+ le16_add_cpu(&curp->p_hdr->eh_entries, 1);
BUG_ON(le16_to_cpu(curp->p_hdr->eh_entries)
> le16_to_cpu(curp->p_hdr->eh_max));
@@ -738,7 +738,7 @@ static int ext4_ext_split(handle_t *hand
}
if (m) {
memmove(ex, path[depth].p_ext-m, sizeof(struct ext4_extent)*m);
- neh->eh_entries = cpu_to_le16(le16_to_cpu(neh->eh_entries)+m);
+ le16_add_cpu(&neh->eh_entries, m);
}
set_buffer_uptodate(bh);
@@ -755,8 +755,7 @@ static int ext4_ext_split(handle_t *hand
err = ext4_ext_get_access(handle, inode, path + depth);
if (err)
goto cleanup;
- path[depth].p_hdr->eh_entries =
- cpu_to_le16(le16_to_cpu(path[depth].p_hdr->eh_entries)-m);
+ le16_add_cpu(&path[depth].p_hdr->eh_entries, -m);
err = ext4_ext_dirty(handle, inode, path + depth);
if (err)
goto cleanup;
@@ -819,8 +818,7 @@ static int ext4_ext_split(handle_t *hand
if (m) {
memmove(++fidx, path[i].p_idx - m,
sizeof(struct ext4_extent_idx) * m);
- neh->eh_entries =
- cpu_to_le16(le16_to_cpu(neh->eh_entries) + m);
+ le16_add_cpu(&neh->eh_entries, m);
}
set_buffer_uptodate(bh);
unlock_buffer(bh);
@@ -836,7 +834,7 @@ static int ext4_ext_split(handle_t *hand
err = ext4_ext_get_access(handle, inode, path + i);
if (err)
goto cleanup;
- path[i].p_hdr->eh_entries = cpu_to_le16(le16_to_cpu(path[i].p_hdr->eh_entries)-m);
+ le16_add_cpu(&path[i].p_hdr->eh_entries, -m);
err = ext4_ext_dirty(handle, inode, path + i);
if (err)
goto cleanup;
@@ -1376,7 +1374,7 @@ int ext4_ext_try_to_merge(struct inode *
* sizeof(struct ext4_extent);
memmove(ex + 1, ex + 2, len);
}
- eh->eh_entries = cpu_to_le16(le16_to_cpu(eh->eh_entries) - 1);
+ le16_add_cpu(&eh->eh_entries, -1);
merge_done = 1;
WARN_ON(eh->eh_entries == 0);
if (!eh->eh_entries)
@@ -1587,7 +1585,7 @@ has_space:
path[depth].p_ext = nearex;
}
- eh->eh_entries = cpu_to_le16(le16_to_cpu(eh->eh_entries)+1);
+ le16_add_cpu(&eh->eh_entries, 1);
nearex = path[depth].p_ext;
nearex->ee_block = newext->ee_block;
ext4_ext_store_pblock(nearex, ext_pblock(newext));
@@ -1726,7 +1724,7 @@ static int ext4_ext_rm_idx(handle_t *han
err = ext4_ext_get_access(handle, inode, path);
if (err)
return err;
- path->p_hdr->eh_entries = cpu_to_le16(le16_to_cpu(path->p_hdr->eh_entries)-1);
+ le16_add_cpu(&path->p_hdr->eh_entries, -1);
err = ext4_ext_dirty(handle, inode, path);
if (err)
return err;
@@ -1929,7 +1927,7 @@ ext4_ext_rm_leaf(handle_t *handle, struc
if (num == 0) {
/* this extent is removed; mark slot entirely unused */
ext4_ext_store_pblock(ex, 0);
- eh->eh_entries = cpu_to_le16(le16_to_cpu(eh->eh_entries)-1);
+ le16_add_cpu(&eh->eh_entries, -1);
}
ex->ee_block = cpu_to_le32(block);
diff -puN fs/ext4/ialloc.c~ext4-le_add_cpu-conversion fs/ext4/ialloc.c
--- a/fs/ext4/ialloc.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/ialloc.c
@@ -224,11 +224,9 @@ void ext4_free_inode (handle_t *handle,
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);
gdp->bg_checksum = ext4_group_desc_csum(sbi,
block_group, gdp);
spin_unlock(sb_bgl_lock(sbi, block_group));
@@ -753,11 +751,9 @@ got:
cpu_to_le16(EXT4_INODES_PER_GROUP(sb) - ino);
}
- 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);
}
gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);
spin_unlock(sb_bgl_lock(sbi, group));
diff -puN fs/ext4/mballoc.c~ext4-le_add_cpu-conversion fs/ext4/mballoc.c
--- a/fs/ext4/mballoc.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/mballoc.c
@@ -3080,9 +3080,7 @@ static int ext4_mb_mark_diskspace_used(s
ac->ac_b_ex.fe_group,
gdp));
}
- gdp->bg_free_blocks_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)
- - ac->ac_b_ex.fe_len);
+ le16_add_cpu(&gdp->bg_free_blocks_count, -ac->ac_b_ex.fe_len);
gdp->bg_checksum = ext4_group_desc_csum(sbi, ac->ac_b_ex.fe_group, gdp);
spin_unlock(sb_bgl_lock(sbi, ac->ac_b_ex.fe_group));
percpu_counter_sub(&sbi->s_freeblocks_counter, ac->ac_b_ex.fe_len);
@@ -4571,8 +4569,7 @@ do_more:
}
spin_lock(sb_bgl_lock(sbi, block_group));
- gdp->bg_free_blocks_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count) + count);
+ le16_add_cpu(&gdp->bg_free_blocks_count, count);
gdp->bg_checksum = ext4_group_desc_csum(sbi, block_group, gdp);
spin_unlock(sb_bgl_lock(sbi, block_group));
percpu_counter_add(&sbi->s_freeblocks_counter, count);
diff -puN fs/ext4/resize.c~ext4-le_add_cpu-conversion fs/ext4/resize.c
--- a/fs/ext4/resize.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/resize.c
@@ -502,8 +502,7 @@ static int add_new_gdb(handle_t *handle,
EXT4_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);
ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh);
return 0;
@@ -877,8 +876,7 @@ int ext4_group_add(struct super_block *s
*/
ext4_blocks_count_set(es, ext4_blocks_count(es) +
input->blocks_count);
- es->s_inodes_count = cpu_to_le32(le32_to_cpu(es->s_inodes_count) +
- EXT4_INODES_PER_GROUP(sb));
+ le32_add_cpu(&es->s_inodes_count, EXT4_INODES_PER_GROUP(sb));
/*
* We need to protect s_groups_count against other CPUs seeing
diff -puN fs/ext4/super.c~ext4-le_add_cpu-conversion fs/ext4/super.c
--- a/fs/ext4/super.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/super.c
@@ -1403,7 +1403,7 @@ static int ext4_setup_super(struct super
#endif
if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT4_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());
ext4_update_dynamic_rev(sb);
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
diff -puN fs/ext4/xattr.c~ext4-le_add_cpu-conversion fs/ext4/xattr.c
--- a/fs/ext4/xattr.c~ext4-le_add_cpu-conversion
+++ a/fs/ext4/xattr.c
@@ -484,8 +484,7 @@ ext4_xattr_release_block(handle_t *handl
get_bh(bh);
ext4_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 = ext4_journal_dirty_metadata(handle, bh);
if (IS_SYNC(inode))
handle->h_sync = 1;
@@ -789,8 +788,7 @@ 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);
_
Patches currently in -mm which might be from marcin.slusarz@...il.com are
xfs-convert-bex_add-to-bex_add_cpu-new-common-api.patch
udf-fix-directory-offset-handling.patch
udf-fix-udf_add_free_space.patch
git-gfs2-nmw.patch
affs-be_add_cpu-conversion.patch
hfs-hfsplus-be_add_cpu-conversion.patch
ipw2200-le_add_cpu-conversion.patch
scsi-le_add_cpu-conversion.patch
ext2-le_add_cpu-conversion.patch
ext4-le_add_cpu-conversion.patch
jfs-le_add_cpu-conversion.patch
ntfs-le_add_cpu-conversion.patch
ocfs2-le_add_cpu-conversion.patch
quota-le_add_cpu-conversion.patch
reiserfs-le_add_cpu-conversion.patch
sysv-e_add_cpu-conversion.patch
ufs-e_add_cpu-conversion.patch
ufs-e_add_cpu-conversion-in-return.patch
-
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