[PATCH] JBD2/Ext4: Convert kmalloc to kzalloc in jbd2/ext4
From: Mingming Cao <[EMAIL PROTECTED]>
Convert kmalloc to kzalloc() and get rid of the memset().
Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
---
fs/ext4/xattr.c |3 +--
fs/jbd2/journal.c |3 +--
fs/jbd2/transaction.c |3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index b10d68f..12c7d65 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -750,12 +750,11 @@ ext4_xattr_block_set(handle_t *handle, struct inode
*inode,
}
} else {
/* Allocate a buffer where we construct the new block. */
- s->base = kmalloc(sb->s_blocksize, GFP_KERNEL);
+ s->base = kzalloc(sb->s_blocksize, GFP_KERNEL);
/* assert(header == s->base) */
error = -ENOMEM;
if (s->base == NULL)
goto cleanup;
- memset(s->base, 0, sb->s_blocksize);
header(s->base)->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
header(s->base)->h_blocks = cpu_to_le32(1);
header(s->base)->h_refcount = cpu_to_le32(1);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 0e329a3..f12c65b 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -654,10 +654,9 @@ static journal_t * journal_init_common (void)
journal_t *journal;
int err;
- journal = kmalloc(sizeof(*journal), GFP_KERNEL);
+ journal = kzalloc(sizeof(*journal), GFP_KERNEL|__GFP_NOFAIL);
if (!journal)
goto fail;
- memset(journal, 0, sizeof(*journal));
init_waitqueue_head(>j_wait_transaction_locked);
init_waitqueue_head(>j_wait_logspace);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index a5fb70f..b1fcf2b 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -96,13 +96,12 @@ static int start_this_handle(journal_t *journal, handle_t
*handle)
alloc_transaction:
if (!journal->j_running_transaction) {
- new_transaction = kmalloc(sizeof(*new_transaction),
+ new_transaction = kzalloc(sizeof(*new_transaction),
GFP_NOFS|__GFP_NOFAIL);
if (!new_transaction) {
ret = -ENOMEM;
goto out;
}
- memset(new_transaction, 0, sizeof(*new_transaction));
}
jbd_debug(3, "New handle %p going live.\n", handle);
--
1.5.3.2.81.g17ed
-
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[PATCH] JBD2/Ext4: Convert kmalloc to kzalloc in jbd2/ext4
From: Mingming Cao [EMAIL PROTECTED]
Convert kmalloc to kzalloc() and get rid of the memset().
Signed-off-by: Mingming Cao [EMAIL PROTECTED]
---
fs/ext4/xattr.c |3 +--
fs/jbd2/journal.c |3 +--
fs/jbd2/transaction.c |3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index b10d68f..12c7d65 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -750,12 +750,11 @@ ext4_xattr_block_set(handle_t *handle, struct inode
*inode,
}
} else {
/* Allocate a buffer where we construct the new block. */
- s-base = kmalloc(sb-s_blocksize, GFP_KERNEL);
+ s-base = kzalloc(sb-s_blocksize, GFP_KERNEL);
/* assert(header == s-base) */
error = -ENOMEM;
if (s-base == NULL)
goto cleanup;
- memset(s-base, 0, sb-s_blocksize);
header(s-base)-h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
header(s-base)-h_blocks = cpu_to_le32(1);
header(s-base)-h_refcount = cpu_to_le32(1);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 0e329a3..f12c65b 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -654,10 +654,9 @@ static journal_t * journal_init_common (void)
journal_t *journal;
int err;
- journal = kmalloc(sizeof(*journal), GFP_KERNEL);
+ journal = kzalloc(sizeof(*journal), GFP_KERNEL|__GFP_NOFAIL);
if (!journal)
goto fail;
- memset(journal, 0, sizeof(*journal));
init_waitqueue_head(journal-j_wait_transaction_locked);
init_waitqueue_head(journal-j_wait_logspace);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index a5fb70f..b1fcf2b 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -96,13 +96,12 @@ static int start_this_handle(journal_t *journal, handle_t
*handle)
alloc_transaction:
if (!journal-j_running_transaction) {
- new_transaction = kmalloc(sizeof(*new_transaction),
+ new_transaction = kzalloc(sizeof(*new_transaction),
GFP_NOFS|__GFP_NOFAIL);
if (!new_transaction) {
ret = -ENOMEM;
goto out;
}
- memset(new_transaction, 0, sizeof(*new_transaction));
}
jbd_debug(3, New handle %p going live.\n, handle);
--
1.5.3.2.81.g17ed
-
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