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-rw-r--r--fs/btrfs/ctree.h1
-rw-r--r--fs/btrfs/disk-io.c39
-rw-r--r--fs/btrfs/extent_io.c51
-rw-r--r--fs/btrfs/inode.c12
4 files changed, 57 insertions, 46 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b89999de..ccea064 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -758,6 +758,7 @@ struct btrfs_fs_info {
struct btrfs_workers delalloc_workers;
struct btrfs_workers endio_workers;
struct btrfs_workers endio_meta_workers;
+ struct btrfs_workers endio_meta_write_workers;
struct btrfs_workers endio_write_workers;
struct btrfs_workers submit_workers;
/*
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 541a827..04f8d70 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -447,8 +447,12 @@ static void end_workqueue_bio(struct bio *bio, int err)
end_io_wq->work.flags = 0;
if (bio->bi_rw & (1 << BIO_RW)) {
- btrfs_queue_worker(&fs_info->endio_write_workers,
- &end_io_wq->work);
+ if (end_io_wq->metadata)
+ btrfs_queue_worker(&fs_info->endio_meta_write_workers,
+ &end_io_wq->work);
+ else
+ btrfs_queue_worker(&fs_info->endio_write_workers,
+ &end_io_wq->work);
} else {
if (end_io_wq->metadata)
btrfs_queue_worker(&fs_info->endio_meta_workers,
@@ -624,23 +628,24 @@ static int __btree_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
int mirror_num, unsigned long bio_flags)
{
- /*
- * kthread helpers are used to submit writes so that checksumming
- * can happen in parallel across all CPUs
- */
+ int ret;
+
+ ret = btrfs_bio_wq_end_io(BTRFS_I(inode)->root->fs_info,
+ bio, 1);
+ BUG_ON(ret);
+
if (!(rw & (1 << BIO_RW))) {
- int ret;
/*
* called for a read, do the setup so that checksum validation
* can happen in the async kernel threads
*/
- ret = btrfs_bio_wq_end_io(BTRFS_I(inode)->root->fs_info,
- bio, 1);
- BUG_ON(ret);
-
return btrfs_map_bio(BTRFS_I(inode)->root, rw, bio,
mirror_num, 0);
}
+ /*
+ * kthread helpers are used to submit writes so that checksumming
+ * can happen in parallel across all CPUs
+ */
return btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
inode, rw, bio, mirror_num, 0,
__btree_submit_bio_start,
@@ -1350,12 +1355,13 @@ static void end_workqueue_fn(struct btrfs_work *work)
bio = end_io_wq->bio;
fs_info = end_io_wq->info;
- /* metadata bios are special because the whole tree block must
+ /* metadata bio reads are special because the whole tree block must
* be checksummed at once. This makes sure the entire block is in
* ram and up to date before trying to verify things. For
* blocksize <= pagesize, it is basically a noop
*/
- if (end_io_wq->metadata && !bio_ready_for_csum(bio)) {
+ if (!(bio->bi_rw & (1 << BIO_RW)) && end_io_wq->metadata &&
+ !bio_ready_for_csum(bio)) {
btrfs_queue_worker(&fs_info->endio_meta_workers,
&end_io_wq->work);
return;
@@ -1668,6 +1674,8 @@ struct btrfs_root *open_ctree(struct super_block *sb,
fs_info->thread_pool_size);
btrfs_init_workers(&fs_info->endio_meta_workers, "endio-meta",
fs_info->thread_pool_size);
+ btrfs_init_workers(&fs_info->endio_meta_write_workers,
+ "endio-meta-write", fs_info->thread_pool_size);
btrfs_init_workers(&fs_info->endio_write_workers, "endio-write",
fs_info->thread_pool_size);
@@ -1677,6 +1685,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
*/
fs_info->endio_workers.idle_thresh = 4;
fs_info->endio_write_workers.idle_thresh = 64;
+ fs_info->endio_meta_write_workers.idle_thresh = 64;
btrfs_start_workers(&fs_info->workers, 1);
btrfs_start_workers(&fs_info->submit_workers, 1);
@@ -1685,6 +1694,8 @@ struct btrfs_root *open_ctree(struct super_block *sb,
btrfs_start_workers(&fs_info->endio_workers, fs_info->thread_pool_size);
btrfs_start_workers(&fs_info->endio_meta_workers,
fs_info->thread_pool_size);
+ btrfs_start_workers(&fs_info->endio_meta_write_workers,
+ fs_info->thread_pool_size);
btrfs_start_workers(&fs_info->endio_write_workers,
fs_info->thread_pool_size);
@@ -1866,6 +1877,7 @@ fail_sb_buffer:
btrfs_stop_workers(&fs_info->workers);
btrfs_stop_workers(&fs_info->endio_workers);
btrfs_stop_workers(&fs_info->endio_meta_workers);
+ btrfs_stop_workers(&fs_info->endio_meta_write_workers);
btrfs_stop_workers(&fs_info->endio_write_workers);
btrfs_stop_workers(&fs_info->submit_workers);
fail_iput:
@@ -2253,6 +2265,7 @@ int close_ctree(struct btrfs_root *root)
btrfs_stop_workers(&fs_info->workers);
btrfs_stop_workers(&fs_info->endio_workers);
btrfs_stop_workers(&fs_info->endio_meta_workers);
+ btrfs_stop_workers(&fs_info->endio_meta_write_workers);
btrfs_stop_workers(&fs_info->endio_write_workers);
btrfs_stop_workers(&fs_info->submit_workers);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 607f5ff..25ce2d1 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -477,7 +477,6 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
struct extent_state *state;
struct extent_state *prealloc = NULL;
struct rb_node *node;
- unsigned long flags;
int err;
int set = 0;
@@ -488,7 +487,7 @@ again:
return -ENOMEM;
}
- spin_lock_irqsave(&tree->lock, flags);
+ spin_lock(&tree->lock);
/*
* this search will find the extents that end after
* our range starts
@@ -559,7 +558,7 @@ again:
goto search_again;
out:
- spin_unlock_irqrestore(&tree->lock, flags);
+ spin_unlock(&tree->lock);
if (prealloc)
free_extent_state(prealloc);
@@ -568,7 +567,7 @@ out:
search_again:
if (start > end)
goto out;
- spin_unlock_irqrestore(&tree->lock, flags);
+ spin_unlock(&tree->lock);
if (mask & __GFP_WAIT)
cond_resched();
goto again;
@@ -582,9 +581,9 @@ static int wait_on_state(struct extent_io_tree *tree,
{
DEFINE_WAIT(wait);
prepare_to_wait(&state->wq, &wait, TASK_UNINTERRUPTIBLE);
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
schedule();
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
finish_wait(&state->wq, &wait);
return 0;
}
@@ -599,7 +598,7 @@ int wait_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits)
struct extent_state *state;
struct rb_node *node;
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
again:
while (1) {
/*
@@ -628,13 +627,13 @@ again:
break;
if (need_resched()) {
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
cond_resched();
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
}
}
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return 0;
}
EXPORT_SYMBOL(wait_extent_bit);
@@ -668,7 +667,6 @@ static int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int b
struct extent_state *state;
struct extent_state *prealloc = NULL;
struct rb_node *node;
- unsigned long flags;
int err = 0;
int set;
u64 last_start;
@@ -680,7 +678,7 @@ again:
return -ENOMEM;
}
- spin_lock_irqsave(&tree->lock, flags);
+ spin_lock(&tree->lock);
/*
* this search will find all the extents that end after
* our range starts.
@@ -800,7 +798,7 @@ again:
goto search_again;
out:
- spin_unlock_irqrestore(&tree->lock, flags);
+ spin_unlock(&tree->lock);
if (prealloc)
free_extent_state(prealloc);
@@ -809,7 +807,7 @@ out:
search_again:
if (start > end)
goto out;
- spin_unlock_irqrestore(&tree->lock, flags);
+ spin_unlock(&tree->lock);
if (mask & __GFP_WAIT)
cond_resched();
goto again;
@@ -1021,7 +1019,7 @@ int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
struct extent_state *state;
int ret = 1;
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
/*
* this search will find all the extents that end after
* our range starts.
@@ -1044,7 +1042,7 @@ int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
break;
}
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return ret;
}
EXPORT_SYMBOL(find_first_extent_bit);
@@ -1097,7 +1095,7 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
u64 found = 0;
u64 total_bytes = 0;
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
/*
* this search will find all the extents that end after
@@ -1134,7 +1132,7 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
break;
}
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return found;
}
@@ -1391,7 +1389,7 @@ u64 count_range_bits(struct extent_io_tree *tree,
return 0;
}
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
if (cur_start == 0 && bits == EXTENT_DIRTY) {
total_bytes = tree->dirty_bytes;
goto out;
@@ -1424,7 +1422,7 @@ u64 count_range_bits(struct extent_io_tree *tree,
break;
}
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return total_bytes;
}
@@ -1501,7 +1499,7 @@ int set_state_private(struct extent_io_tree *tree, u64 start, u64 private)
struct extent_state *state;
int ret = 0;
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
/*
* this search will find all the extents that end after
* our range starts.
@@ -1518,7 +1516,7 @@ int set_state_private(struct extent_io_tree *tree, u64 start, u64 private)
}
state->private = private;
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return ret;
}
@@ -1528,7 +1526,7 @@ int get_state_private(struct extent_io_tree *tree, u64 start, u64 *private)
struct extent_state *state;
int ret = 0;
- spin_lock_irq(&tree->lock);
+ spin_lock(&tree->lock);
/*
* this search will find all the extents that end after
* our range starts.
@@ -1545,7 +1543,7 @@ int get_state_private(struct extent_io_tree *tree, u64 start, u64 *private)
}
*private = state->private;
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock(&tree->lock);
return ret;
}
@@ -1561,9 +1559,8 @@ int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
struct extent_state *state = NULL;
struct rb_node *node;
int bitset = 0;
- unsigned long flags;
- spin_lock_irqsave(&tree->lock, flags);
+ spin_lock(&tree->lock);
node = tree_search(tree, start);
while (node && start <= end) {
state = rb_entry(node, struct extent_state, rb_node);
@@ -1594,7 +1591,7 @@ int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
break;
}
}
- spin_unlock_irqrestore(&tree->lock, flags);
+ spin_unlock(&tree->lock);
return bitset;
}
EXPORT_SYMBOL(test_range_bit);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0577e77..068bad4 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1282,8 +1282,8 @@ static int __btrfs_submit_bio_done(struct inode *inode, int rw, struct bio *bio,
}
/*
- * extent_io.c submission hook. This does the right thing for csum calculation on write,
- * or reading the csums from the tree before a read
+ * extent_io.c submission hook. This does the right thing for csum calculation
+ * on write, or reading the csums from the tree before a read
*/
static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
int mirror_num, unsigned long bio_flags)
@@ -1292,11 +1292,11 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
int ret = 0;
int skip_sum;
+ skip_sum = btrfs_test_flag(inode, NODATASUM);
+
ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
BUG_ON(ret);
- skip_sum = btrfs_test_flag(inode, NODATASUM);
-
if (!(rw & (1 << BIO_RW))) {
if (bio_flags & EXTENT_BIO_COMPRESSED) {
return btrfs_submit_compressed_read(inode, bio,
@@ -1648,13 +1648,13 @@ static int btrfs_io_failed_hook(struct bio *failed_bio,
failrec->logical, failrec->len);
failrec->last_mirror++;
if (!state) {
- spin_lock_irq(&BTRFS_I(inode)->io_tree.lock);
+ spin_lock(&BTRFS_I(inode)->io_tree.lock);
state = find_first_extent_bit_state(&BTRFS_I(inode)->io_tree,
failrec->start,
EXTENT_LOCKED);
if (state && state->start != failrec->start)
state = NULL;
- spin_unlock_irq(&BTRFS_I(inode)->io_tree.lock);
+ spin_unlock(&BTRFS_I(inode)->io_tree.lock);
}
if (!state || failrec->last_mirror > num_copies) {
set_state_private(failure_tree, failrec->start, 0);
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