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Date: Mon, 27 Nov 2006 17:29:39 -0800
From: akpm@...l.org
To: mm-commits@...r.kernel.org
Cc: mathur@...ibm.com, linux-ext4@...r.kernel.org
Subject: + ext4-if-expression-format.patch added to -mm tree
The patch titled
ext4: if expression format
has been added to the -mm tree. Its filename is
ext4-if-expression-format.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ext4: if expression format
From: Avantika Mathur <mathur@...ibm.com>
changes instances of
if ((lhs = expression)) {
to the preferred coding style
lhs=expression;
if (lhs) {
Signed-off-by: Avantika Mathur <mathur@...ibm.com>
Cc: <linux-ext4@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...l.org>
---
fs/ext4/extents.c | 63 +++++++++++++++++++++++++++++---------------
1 files changed, 42 insertions(+), 21 deletions(-)
diff -puN fs/ext4/extents.c~ext4-if-expression-format fs/ext4/extents.c
--- a/fs/ext4/extents.c~ext4-if-expression-format
+++ a/fs/ext4/extents.c
@@ -186,7 +186,8 @@ static ext4_fsblk_t ext4_ext_find_goal(s
depth = path->p_depth;
/* try to predict block placement */
- if ((ex = path[depth].p_ext))
+ ex = path[depth].p_ext;
+ if (ex)
return ext_pblock(ex)+(block-le32_to_cpu(ex->ee_block));
/* it looks like index is empty;
@@ -543,7 +544,8 @@ static int ext4_ext_insert_index(handle_
struct ext4_extent_idx *ix;
int len, err;
- if ((err = ext4_ext_get_access(handle, inode, curp)))
+ err = ext4_ext_get_access(handle, inode, curp);
+ if (err)
return err;
BUG_ON(logical == le32_to_cpu(curp->p_idx->ei_block));
@@ -665,7 +667,8 @@ static int ext4_ext_split(handle_t *hand
}
lock_buffer(bh);
- if ((err = ext4_journal_get_create_access(handle, bh)))
+ err = ext4_journal_get_create_access(handle, bh);
+ if (err)
goto cleanup;
neh = ext_block_hdr(bh);
@@ -702,18 +705,21 @@ static int ext4_ext_split(handle_t *hand
set_buffer_uptodate(bh);
unlock_buffer(bh);
- if ((err = ext4_journal_dirty_metadata(handle, bh)))
+ err = ext4_journal_dirty_metadata(handle, bh);
+ if (err)
goto cleanup;
brelse(bh);
bh = NULL;
/* correct old leaf */
if (m) {
- if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+ 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);
- if ((err = ext4_ext_dirty(handle, inode, path + depth)))
+ err = ext4_ext_dirty(handle, inode, path + depth);
+ if (err)
goto cleanup;
}
@@ -736,7 +742,8 @@ static int ext4_ext_split(handle_t *hand
}
lock_buffer(bh);
- if ((err = ext4_journal_get_create_access(handle, bh)))
+ err = ext4_journal_get_create_access(handle, bh);
+ if (err)
goto cleanup;
neh = ext_block_hdr(bh);
@@ -780,7 +787,8 @@ static int ext4_ext_split(handle_t *hand
set_buffer_uptodate(bh);
unlock_buffer(bh);
- if ((err = ext4_journal_dirty_metadata(handle, bh)))
+ err = ext4_journal_dirty_metadata(handle, bh);
+ if (err)
goto cleanup;
brelse(bh);
bh = NULL;
@@ -854,7 +862,8 @@ static int ext4_ext_grow_indepth(handle_
}
lock_buffer(bh);
- if ((err = ext4_journal_get_create_access(handle, bh))) {
+ err = ext4_journal_get_create_access(handle, bh);
+ if (err) {
unlock_buffer(bh);
goto out;
}
@@ -874,11 +883,13 @@ static int ext4_ext_grow_indepth(handle_
set_buffer_uptodate(bh);
unlock_buffer(bh);
- if ((err = ext4_journal_dirty_metadata(handle, bh)))
+ err = ext4_journal_dirty_metadata(handle, bh);
+ if (err)
goto out;
/* create index in new top-level index: num,max,pointer */
- if ((err = ext4_ext_get_access(handle, inode, curp)))
+ err = ext4_ext_get_access(handle, inode, curp);
+ if (err)
goto out;
curp->p_hdr->eh_magic = EXT4_EXT_MAGIC;
@@ -1070,20 +1081,24 @@ int ext4_ext_correct_indexes(handle_t *h
*/
k = depth - 1;
border = path[depth].p_ext->ee_block;
- if ((err = ext4_ext_get_access(handle, inode, path + k)))
+ err = ext4_ext_get_access(handle, inode, path + k);
+ if (err)
return err;
path[k].p_idx->ei_block = border;
- if ((err = ext4_ext_dirty(handle, inode, path + k)))
+ err = ext4_ext_dirty(handle, inode, path + k);
+ if (err)
return err;
while (k--) {
/* change all left-side indexes */
if (path[k+1].p_idx != EXT_FIRST_INDEX(path[k+1].p_hdr))
break;
- if ((err = ext4_ext_get_access(handle, inode, path + k)))
+ err = ext4_ext_get_access(handle, inode, path + k);
+ if (err)
break;
path[k].p_idx->ei_block = border;
- if ((err = ext4_ext_dirty(handle, inode, path + k)))
+ err = ext4_ext_dirty(handle, inode, path + k);
+ if (err)
break;
}
@@ -1142,7 +1157,8 @@ int ext4_ext_insert_extent(handle_t *han
le16_to_cpu(newext->ee_len),
le32_to_cpu(ex->ee_block),
le16_to_cpu(ex->ee_len), ext_pblock(ex));
- if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+ err = ext4_ext_get_access(handle, inode, path + depth);
+ if (err)
return err;
ex->ee_len = cpu_to_le16(le16_to_cpu(ex->ee_len)
+ le16_to_cpu(newext->ee_len));
@@ -1192,7 +1208,8 @@ repeat:
has_space:
nearex = path[depth].p_ext;
- if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+ err = ext4_ext_get_access(handle, inode, path + depth);
+ if (err)
goto cleanup;
if (!nearex) {
@@ -1486,10 +1503,12 @@ int ext4_ext_rm_idx(handle_t *handle, st
path--;
leaf = idx_pblock(path->p_idx);
BUG_ON(path->p_hdr->eh_entries == 0);
- if ((err = ext4_ext_get_access(handle, inode, path)))
+ 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);
- if ((err = ext4_ext_dirty(handle, inode, path)))
+ err = ext4_ext_dirty(handle, inode, path);
+ if (err)
return err;
ext_debug("index is empty, remove it, free block %llu\n", leaf);
bh = sb_find_get_block(inode->i_sb, leaf);
@@ -1929,7 +1948,8 @@ int ext4_ext_get_blocks(handle_t *handle
mutex_lock(&EXT4_I(inode)->truncate_mutex);
/* check in cache */
- if ((goal = ext4_ext_in_cache(inode, iblock, &newex))) {
+ goal = ext4_ext_in_cache(inode, iblock, &newex);
+ if (goal) {
if (goal == EXT4_EXT_CACHE_GAP) {
if (!create) {
/* block isn't allocated yet and
@@ -1968,7 +1988,8 @@ int ext4_ext_get_blocks(handle_t *handle
*/
BUG_ON(path[depth].p_ext == NULL && depth != 0);
- if ((ex = path[depth].p_ext)) {
+ ex = path[depth].p_ext;
+ if (ex) {
unsigned long ee_block = le32_to_cpu(ex->ee_block);
ext4_fsblk_t ee_start = ext_pblock(ex);
unsigned short ee_len = le16_to_cpu(ex->ee_len);
_
Patches currently in -mm which might be from mathur@...ibm.com are
ext4-if-expression-format.patch
ext4-kmalloc-to-kzalloc.patch
ext4-eliminate-inline-functions.patch
-
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