redonkable/remarkable-linux
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Merge branch 'remove-unlikely' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus

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This commit is contained in:
Chris Mason 2014-10-04 09:57:44 -07:00
parent 27b19cc886 ee39b432b4
commit 0ec31a61f0
6 changed files with 16 additions and 16 deletions
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10
fs/btrfs/async-thread.c
View file

@ -92,7 +92,7 @@ __btrfs_alloc_workqueue(const char *name, int flags, int max_active,
{
struct __btrfs_workqueue *ret = kzalloc(sizeof(*ret), GFP_NOFS);
if (unlikely(!ret))
if (!ret)
return NULL;
ret->max_active = max_active;
@ -116,7 +116,7 @@ __btrfs_alloc_workqueue(const char *name, int flags, int max_active,
ret->normal_wq = alloc_workqueue("%s-%s", flags,
ret->max_active, "btrfs",
name);
if (unlikely(!ret->normal_wq)) {
if (!ret->normal_wq) {
kfree(ret);
return NULL;
}
@ -138,12 +138,12 @@ struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name,
{
struct btrfs_workqueue *ret = kzalloc(sizeof(*ret), GFP_NOFS);
if (unlikely(!ret))
if (!ret)
return NULL;
ret->normal = __btrfs_alloc_workqueue(name, flags & ~WQ_HIGHPRI,
max_active, thresh);
if (unlikely(!ret->normal)) {
if (!ret->normal) {
kfree(ret);
return NULL;
}
@ -151,7 +151,7 @@ struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name,
if (flags & WQ_HIGHPRI) {
ret->high = __btrfs_alloc_workqueue(name, flags, max_active,
thresh);
if (unlikely(!ret->high)) {
if (!ret->high) {
__btrfs_destroy_workqueue(ret->normal);
kfree(ret);
return NULL;

4
fs/btrfs/extent-tree.c
View file

@ -9690,7 +9690,7 @@ void btrfs_end_nocow_write(struct btrfs_root *root)
int btrfs_start_nocow_write(struct btrfs_root *root)
{
if (unlikely(atomic_read(&root->will_be_snapshoted)))
if (atomic_read(&root->will_be_snapshoted))
return 0;
percpu_counter_inc(&root->subv_writers->counter);
@ -9698,7 +9698,7 @@ int btrfs_start_nocow_write(struct btrfs_root *root)
* Make sure counter is updated before we check for snapshot creation.
*/
smp_mb();
if (unlikely(atomic_read(&root->will_be_snapshoted))) {
if (atomic_read(&root->will_be_snapshoted)) {
btrfs_end_nocow_write(root);
return 0;
}

4
fs/btrfs/file.c
View file

@ -452,7 +452,7 @@ static noinline int btrfs_copy_from_user(loff_t pos, int num_pages,
if (unlikely(copied == 0))
break;
if (unlikely(copied < PAGE_CACHE_SIZE - offset)) {
if (copied < PAGE_CACHE_SIZE - offset) {
offset += copied;
} else {
pg++;
@ -1792,7 +1792,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
if (sync)
atomic_inc(&BTRFS_I(inode)->sync_writers);
if (unlikely(file->f_flags & O_DIRECT)) {
if (file->f_flags & O_DIRECT) {
num_written = __btrfs_direct_write(iocb, from, pos);
} else {
num_written = __btrfs_buffered_write(file, from, pos);

10
fs/btrfs/inode.c
View file

@ -7803,9 +7803,9 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
atomic_inc(&dip->pending_bios);
while (bvec <= (orig_bio->bi_io_vec + orig_bio->bi_vcnt - 1)) {
if (unlikely(map_length < submit_len + bvec->bv_len ||
if (map_length < submit_len + bvec->bv_len ||
bio_add_page(bio, bvec->bv_page, bvec->bv_len,
bvec->bv_offset) < bvec->bv_len)) {
bvec->bv_offset) < bvec->bv_len) {
/*
* inc the count before we submit the bio so
* we know the end IO handler won't happen before
@ -8018,8 +8018,8 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
ret = btrfs_delalloc_reserve_space(inode, count);
if (ret)
goto out;
} else if (unlikely(test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
&BTRFS_I(inode)->runtime_flags))) {
} else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
&BTRFS_I(inode)->runtime_flags)) {
inode_dio_done(inode);
flags = DIO_LOCKING | DIO_SKIP_HOLES;
wakeup = false;
@ -9014,7 +9014,7 @@ static int __start_delalloc_inodes(struct btrfs_root *root, int delay_iput,
spin_unlock(&root->delalloc_lock);
work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
if (unlikely(!work)) {
if (!work) {
if (delay_iput)
btrfs_add_delayed_iput(inode);
else

2
fs/btrfs/ioctl.c
View file

@ -3166,7 +3166,7 @@ static void clone_update_extent_map(struct inode *inode,
em->start + em->len - 1, 0);
}
if (unlikely(ret))
if (ret)
set_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
&BTRFS_I(inode)->runtime_flags);
}

2
fs/btrfs/transaction.c
View file

@ -418,7 +418,7 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
/*
* Do the reservation for the relocation root creation
*/
if (unlikely(need_reserve_reloc_root(root))) {
if (need_reserve_reloc_root(root)) {
num_bytes += root->nodesize;
reloc_reserved = true;
}