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-rw-r--r--drivers/md/bitmap.c4
-rw-r--r--drivers/md/dm-bio-prison.c3
-rw-r--r--drivers/md/dm-bufio.c3
-rw-r--r--drivers/md/dm-snap.c3
-rw-r--r--drivers/md/dm.c56
-rw-r--r--drivers/md/persistent-data/dm-transaction-manager.c21
-rw-r--r--drivers/md/raid5.c14
7 files changed, 32 insertions, 72 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7155945..4fd9d6a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -337,7 +337,7 @@ static int read_page(struct file *file, unsigned long index,
struct page *page)
{
int ret = 0;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct buffer_head *bh;
sector_t block;
@@ -755,7 +755,7 @@ static void bitmap_file_unmap(struct bitmap_storage *store)
free_buffers(sb_page);
if (file) {
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
invalidate_mapping_pages(inode->i_mapping, 0, -1);
fput(file);
}
diff --git a/drivers/md/dm-bio-prison.c b/drivers/md/dm-bio-prison.c
index aefb78e..d9d3f1c 100644
--- a/drivers/md/dm-bio-prison.c
+++ b/drivers/md/dm-bio-prison.c
@@ -106,9 +106,8 @@ static struct dm_bio_prison_cell *__search_bucket(struct hlist_head *bucket,
struct dm_cell_key *key)
{
struct dm_bio_prison_cell *cell;
- struct hlist_node *tmp;
- hlist_for_each_entry(cell, tmp, bucket, list)
+ hlist_for_each_entry(cell, bucket, list)
if (keys_equal(&cell->key, key))
return cell;
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 651ca79..93205e3 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -859,9 +859,8 @@ static void __check_watermark(struct dm_bufio_client *c)
static struct dm_buffer *__find(struct dm_bufio_client *c, sector_t block)
{
struct dm_buffer *b;
- struct hlist_node *hn;
- hlist_for_each_entry(b, hn, &c->cache_hash[DM_BUFIO_HASH(block)],
+ hlist_for_each_entry(b, &c->cache_hash[DM_BUFIO_HASH(block)],
hash_list) {
dm_bufio_cond_resched();
if (b->block == block)
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 59fc18a..10079e0 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -227,12 +227,11 @@ static void stop_tracking_chunk(struct dm_snapshot *s, struct bio *bio)
static int __chunk_is_tracked(struct dm_snapshot *s, chunk_t chunk)
{
struct dm_snap_tracked_chunk *c;
- struct hlist_node *hn;
int found = 0;
spin_lock_irq(&s->tracked_chunk_lock);
- hlist_for_each_entry(c, hn,
+ hlist_for_each_entry(c,
&s->tracked_chunk_hash[DM_TRACKED_CHUNK_HASH(chunk)], node) {
if (c->chunk == chunk) {
found = 1;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 314a0e2..bb2cd3c 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -318,7 +318,6 @@ static void __exit dm_exit(void)
/*
* Should be empty by this point.
*/
- idr_remove_all(&_minor_idr);
idr_destroy(&_minor_idr);
}
@@ -627,7 +626,6 @@ static void dec_pending(struct dm_io *io, int error)
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
- trace_block_bio_complete(md->queue, bio, io_error);
bio_endio(bio, io_error);
}
}
@@ -1756,62 +1754,38 @@ static void free_minor(int minor)
*/
static int specific_minor(int minor)
{
- int r, m;
+ int r;
if (minor >= (1 << MINORBITS))
return -EINVAL;
- r = idr_pre_get(&_minor_idr, GFP_KERNEL);
- if (!r)
- return -ENOMEM;
-
+ idr_preload(GFP_KERNEL);
spin_lock(&_minor_lock);
- if (idr_find(&_minor_idr, minor)) {
- r = -EBUSY;
- goto out;
- }
-
- r = idr_get_new_above(&_minor_idr, MINOR_ALLOCED, minor, &m);
- if (r)
- goto out;
+ r = idr_alloc(&_minor_idr, MINOR_ALLOCED, minor, minor + 1, GFP_NOWAIT);
- if (m != minor) {
- idr_remove(&_minor_idr, m);
- r = -EBUSY;
- goto out;
- }
-
-out:
spin_unlock(&_minor_lock);
- return r;
+ idr_preload_end();
+ if (r < 0)
+ return r == -ENOSPC ? -EBUSY : r;
+ return 0;
}
static int next_free_minor(int *minor)
{
- int r, m;
-
- r = idr_pre_get(&_minor_idr, GFP_KERNEL);
- if (!r)
- return -ENOMEM;
+ int r;
+ idr_preload(GFP_KERNEL);
spin_lock(&_minor_lock);
- r = idr_get_new(&_minor_idr, MINOR_ALLOCED, &m);
- if (r)
- goto out;
-
- if (m >= (1 << MINORBITS)) {
- idr_remove(&_minor_idr, m);
- r = -ENOSPC;
- goto out;
- }
-
- *minor = m;
+ r = idr_alloc(&_minor_idr, MINOR_ALLOCED, 0, 1 << MINORBITS, GFP_NOWAIT);
-out:
spin_unlock(&_minor_lock);
- return r;
+ idr_preload_end();
+ if (r < 0)
+ return r;
+ *minor = r;
+ return 0;
}
static const struct block_device_operations dm_blk_dops;
diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c
index d247a35..81da1a2 100644
--- a/drivers/md/persistent-data/dm-transaction-manager.c
+++ b/drivers/md/persistent-data/dm-transaction-manager.c
@@ -25,8 +25,8 @@ struct shadow_info {
/*
* It would be nice if we scaled with the size of transaction.
*/
-#define HASH_SIZE 256
-#define HASH_MASK (HASH_SIZE - 1)
+#define DM_HASH_SIZE 256
+#define DM_HASH_MASK (DM_HASH_SIZE - 1)
struct dm_transaction_manager {
int is_clone;
@@ -36,7 +36,7 @@ struct dm_transaction_manager {
struct dm_space_map *sm;
spinlock_t lock;
- struct hlist_head buckets[HASH_SIZE];
+ struct hlist_head buckets[DM_HASH_SIZE];
};
/*----------------------------------------------------------------*/
@@ -44,12 +44,11 @@ struct dm_transaction_manager {
static int is_shadow(struct dm_transaction_manager *tm, dm_block_t b)
{
int r = 0;
- unsigned bucket = dm_hash_block(b, HASH_MASK);
+ unsigned bucket = dm_hash_block(b, DM_HASH_MASK);
struct shadow_info *si;
- struct hlist_node *n;
spin_lock(&tm->lock);
- hlist_for_each_entry(si, n, tm->buckets + bucket, hlist)
+ hlist_for_each_entry(si, tm->buckets + bucket, hlist)
if (si->where == b) {
r = 1;
break;
@@ -71,7 +70,7 @@ static void insert_shadow(struct dm_transaction_manager *tm, dm_block_t b)
si = kmalloc(sizeof(*si), GFP_NOIO);
if (si) {
si->where = b;
- bucket = dm_hash_block(b, HASH_MASK);
+ bucket = dm_hash_block(b, DM_HASH_MASK);
spin_lock(&tm->lock);
hlist_add_head(&si->hlist, tm->buckets + bucket);
spin_unlock(&tm->lock);
@@ -81,14 +80,14 @@ static void insert_shadow(struct dm_transaction_manager *tm, dm_block_t b)
static void wipe_shadow_table(struct dm_transaction_manager *tm)
{
struct shadow_info *si;
- struct hlist_node *n, *tmp;
+ struct hlist_node *tmp;
struct hlist_head *bucket;
int i;
spin_lock(&tm->lock);
- for (i = 0; i < HASH_SIZE; i++) {
+ for (i = 0; i < DM_HASH_SIZE; i++) {
bucket = tm->buckets + i;
- hlist_for_each_entry_safe(si, n, tmp, bucket, hlist)
+ hlist_for_each_entry_safe(si, tmp, bucket, hlist)
kfree(si);
INIT_HLIST_HEAD(bucket);
@@ -115,7 +114,7 @@ static struct dm_transaction_manager *dm_tm_create(struct dm_block_manager *bm,
tm->sm = sm;
spin_lock_init(&tm->lock);
- for (i = 0; i < HASH_SIZE; i++)
+ for (i = 0; i < DM_HASH_SIZE; i++)
INIT_HLIST_HEAD(tm->buckets + i);
return tm;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 19d77a0..5af2d27 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -184,8 +184,6 @@ static void return_io(struct bio *return_bi)
return_bi = bi->bi_next;
bi->bi_next = NULL;
bi->bi_size = 0;
- trace_block_bio_complete(bdev_get_queue(bi->bi_bdev),
- bi, 0);
bio_endio(bi, 0);
bi = return_bi;
}
@@ -365,10 +363,9 @@ static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,
short generation)
{
struct stripe_head *sh;
- struct hlist_node *hn;
pr_debug("__find_stripe, sector %llu\n", (unsigned long long)sector);
- hlist_for_each_entry(sh, hn, stripe_hash(conf, sector), hash)
+ hlist_for_each_entry(sh, stripe_hash(conf, sector), hash)
if (sh->sector == sector && sh->generation == generation)
return sh;
pr_debug("__stripe %llu not in cache\n", (unsigned long long)sector);
@@ -3917,8 +3914,6 @@ static void raid5_align_endio(struct bio *bi, int error)
rdev_dec_pending(rdev, conf->mddev);
if (!error && uptodate) {
- trace_block_bio_complete(bdev_get_queue(raid_bi->bi_bdev),
- raid_bi, 0);
bio_endio(raid_bi, 0);
if (atomic_dec_and_test(&conf->active_aligned_reads))
wake_up(&conf->wait_for_stripe);
@@ -4377,8 +4372,6 @@ static void make_request(struct mddev *mddev, struct bio * bi)
if ( rw == WRITE )
md_write_end(mddev);
- trace_block_bio_complete(bdev_get_queue(bi->bi_bdev),
- bi, 0);
bio_endio(bi, 0);
}
}
@@ -4755,11 +4748,8 @@ static int retry_aligned_read(struct r5conf *conf, struct bio *raid_bio)
handled++;
}
remaining = raid5_dec_bi_active_stripes(raid_bio);
- if (remaining == 0) {
- trace_block_bio_complete(bdev_get_queue(raid_bio->bi_bdev),
- raid_bio, 0);
+ if (remaining == 0)
bio_endio(raid_bio, 0);
- }
if (atomic_dec_and_test(&conf->active_aligned_reads))
wake_up(&conf->wait_for_stripe);
return handled;
generated by cgit v0.10.2 at 2024-10-18 03:56:23 (GMT)