JBD2/Ext4: Convert kmalloc to kzalloc in jbd2/ext4 From: Mingming Cao Convert kmalloc to kzalloc() and get rid of the memset(). Signed-off-by: Mingming Cao --- 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);