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-rw-r--r--fs/btrfs/check-integrity.c4
-rw-r--r--fs/btrfs/compression.c2
-rw-r--r--fs/btrfs/disk-io.c5
-rw-r--r--fs/btrfs/extent-tree.c1
-rw-r--r--fs/btrfs/inode.c4
-rw-r--r--fs/btrfs/ioctl.c22
-rw-r--r--fs/btrfs/send.c22
-rw-r--r--fs/btrfs/super.c13
-rw-r--r--fs/btrfs/sysfs.c10
9 files changed, 45 insertions, 38 deletions
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 49a62b4dda3b..0e8388e72d8d 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -92,11 +92,11 @@
#include <linux/slab.h>
#include <linux/buffer_head.h>
#include <linux/mutex.h>
-#include <linux/crc32c.h>
#include <linux/genhd.h>
#include <linux/blkdev.h>
#include "ctree.h"
#include "disk-io.h"
+#include "hash.h"
#include "transaction.h"
#include "extent_io.h"
#include "volumes.h"
@@ -1823,7 +1823,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
size_t sublen = i ? PAGE_CACHE_SIZE :
(PAGE_CACHE_SIZE - BTRFS_CSUM_SIZE);
- crc = crc32c(crc, data, sublen);
+ crc = btrfs_crc32c(crc, data, sublen);
}
btrfs_csum_final(crc, csum);
if (memcmp(csum, h->csum, state->csum_size))
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index e2600cdb6c25..b01fb6c527e3 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1010,6 +1010,8 @@ int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
bytes = min(bytes, working_bytes);
kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
+ if (*pg_index == (vcnt - 1) && *pg_offset == 0)
+ memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
kunmap_atomic(kaddr);
flush_dcache_page(page_out);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0e69295d0031..81ea55314b1f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -26,7 +26,6 @@
#include <linux/workqueue.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
-#include <linux/crc32c.h>
#include <linux/slab.h>
#include <linux/migrate.h>
#include <linux/ratelimit.h>
@@ -35,6 +34,7 @@
#include <asm/unaligned.h>
#include "ctree.h"
#include "disk-io.h"
+#include "hash.h"
#include "transaction.h"
#include "btrfs_inode.h"
#include "volumes.h"
@@ -244,7 +244,7 @@ out:
u32 btrfs_csum_data(char *data, u32 seed, size_t len)
{
- return crc32c(seed, data, len);
+ return btrfs_crc32c(seed, data, len);
}
void btrfs_csum_final(u32 crc, char *result)
@@ -3839,7 +3839,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
rb_erase(&ref->rb_node, &head->ref_root);
atomic_dec(&delayed_refs->num_entries);
btrfs_put_delayed_ref(ref);
- cond_resched_lock(&head->lock);
}
if (head->must_insert_reserved)
pin_bytes = true;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9c9ecc93ae2c..32312e09f0f5 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2385,6 +2385,7 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
spin_unlock(&delayed_refs->lock);
locked_ref = NULL;
cond_resched();
+ count++;
continue;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5c4ab9c18940..d3d44486290b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2629,7 +2629,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
EXTENT_DEFRAG, 1, cached_state);
if (ret) {
u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item);
- if (last_snapshot >= BTRFS_I(inode)->generation)
+ if (0 && last_snapshot >= BTRFS_I(inode)->generation)
/* the inode is shared */
new = record_old_file_extents(inode, ordered_extent);
@@ -5154,7 +5154,7 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
return ERR_CAST(inode);
}
- return d_splice_alias(inode, dentry);
+ return d_materialise_unique(dentry, inode);
}
unsigned char btrfs_filetype_table[] = {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index b0134892dc70..a6d8efa46bfe 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3537,20 +3537,6 @@ out:
return ret;
}
-static long btrfs_ioctl_global_rsv(struct btrfs_root *root, void __user *arg)
-{
- struct btrfs_block_rsv *block_rsv = &root->fs_info->global_block_rsv;
- u64 reserved;
-
- spin_lock(&block_rsv->lock);
- reserved = block_rsv->reserved;
- spin_unlock(&block_rsv->lock);
-
- if (arg && copy_to_user(arg, &reserved, sizeof(reserved)))
- return -EFAULT;
- return 0;
-}
-
/*
* there are many ways the trans_start and trans_end ioctls can lead
* to deadlocks. They should only be used by applications that
@@ -4525,7 +4511,7 @@ static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg)
spin_lock(&root->fs_info->super_lock);
strcpy(super_block->label, label);
spin_unlock(&root->fs_info->super_lock);
- ret = btrfs_end_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
out_unlock:
mnt_drop_write_file(file);
@@ -4668,7 +4654,7 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg)
if (ret)
return ret;
- trans = btrfs_start_transaction(root, 1);
+ trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans))
return PTR_ERR(trans);
@@ -4689,7 +4675,7 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg)
btrfs_set_super_incompat_flags(super_block, newflags);
spin_unlock(&root->fs_info->super_lock);
- return btrfs_end_transaction(trans, root);
+ return btrfs_commit_transaction(trans, root);
}
long btrfs_ioctl(struct file *file, unsigned int
@@ -4757,8 +4743,6 @@ long btrfs_ioctl(struct file *file, unsigned int
return btrfs_ioctl_logical_to_ino(root, argp);
case BTRFS_IOC_SPACE_INFO:
return btrfs_ioctl_space_info(root, argp);
- case BTRFS_IOC_GLOBAL_RSV:
- return btrfs_ioctl_global_rsv(root, argp);
case BTRFS_IOC_SYNC: {
int ret;
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 730dce395858..9dde9717c1b9 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -24,12 +24,12 @@
#include <linux/xattr.h>
#include <linux/posix_acl_xattr.h>
#include <linux/radix-tree.h>
-#include <linux/crc32c.h>
#include <linux/vmalloc.h>
#include <linux/string.h>
#include "send.h"
#include "backref.h"
+#include "hash.h"
#include "locking.h"
#include "disk-io.h"
#include "btrfs_inode.h"
@@ -620,7 +620,7 @@ static int send_cmd(struct send_ctx *sctx)
hdr->len = cpu_to_le32(sctx->send_size - sizeof(*hdr));
hdr->crc = 0;
- crc = crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
+ crc = btrfs_crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
hdr->crc = cpu_to_le32(crc);
ret = write_buf(sctx->send_filp, sctx->send_buf, sctx->send_size,
@@ -1332,6 +1332,16 @@ verbose_printk(KERN_DEBUG "btrfs: find_extent_clone: data_offset=%llu, "
}
if (cur_clone_root) {
+ if (compressed != BTRFS_COMPRESS_NONE) {
+ /*
+ * Offsets given by iterate_extent_inodes() are relative
+ * to the start of the extent, we need to add logical
+ * offset from the file extent item.
+ * (See why at backref.c:check_extent_in_eb())
+ */
+ cur_clone_root->offset += btrfs_file_extent_offset(eb,
+ fi);
+ }
*found = cur_clone_root;
ret = 0;
} else {
@@ -2774,8 +2784,6 @@ static int add_waiting_dir_move(struct send_ctx *sctx, u64 ino)
return 0;
}
-#ifdef CONFIG_BTRFS_ASSERT
-
static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
{
struct rb_node *n = sctx->waiting_dir_moves.rb_node;
@@ -2796,8 +2804,6 @@ static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
return -ENOENT;
}
-#endif
-
static int add_pending_dir_move(struct send_ctx *sctx, u64 parent_ino)
{
struct rb_node **p = &sctx->pending_dir_moves.rb_node;
@@ -2902,7 +2908,9 @@ static int apply_dir_move(struct send_ctx *sctx, struct pending_dir_move *pm)
}
sctx->send_progress = sctx->cur_ino + 1;
- ASSERT(del_waiting_dir_move(sctx, pm->ino) == 0);
+ ret = del_waiting_dir_move(sctx, pm->ino);
+ ASSERT(ret == 0);
+
ret = get_cur_path(sctx, pm->ino, pm->gen, to_path);
if (ret < 0)
goto out;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index c02f63356895..d04db817be5c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -566,7 +566,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
kfree(num);
if (info->max_inline) {
- info->max_inline = max_t(u64,
+ info->max_inline = min_t(u64,
info->max_inline,
root->sectorsize);
}
@@ -855,6 +855,7 @@ static struct dentry *get_default_root(struct super_block *sb,
struct btrfs_path *path;
struct btrfs_key location;
struct inode *inode;
+ struct dentry *dentry;
u64 dir_id;
int new = 0;
@@ -925,7 +926,13 @@ setup_root:
return dget(sb->s_root);
}
- return d_obtain_alias(inode);
+ dentry = d_obtain_alias(inode);
+ if (!IS_ERR(dentry)) {
+ spin_lock(&dentry->d_lock);
+ dentry->d_flags &= ~DCACHE_DISCONNECTED;
+ spin_unlock(&dentry->d_lock);
+ }
+ return dentry;
}
static int btrfs_fill_super(struct super_block *sb,
@@ -1996,7 +2003,7 @@ static void __exit exit_btrfs_fs(void)
btrfs_hash_exit();
}
-module_init(init_btrfs_fs)
+late_initcall(init_btrfs_fs);
module_exit(exit_btrfs_fs)
MODULE_LICENSE("GPL");
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 782374d8fd19..865f4cf9a769 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -578,8 +578,14 @@ static int add_device_membership(struct btrfs_fs_info *fs_info)
return -ENOMEM;
list_for_each_entry(dev, &fs_devices->devices, dev_list) {
- struct hd_struct *disk = dev->bdev->bd_part;
- struct kobject *disk_kobj = &part_to_dev(disk)->kobj;
+ struct hd_struct *disk;
+ struct kobject *disk_kobj;
+
+ if (!dev->bdev)
+ continue;
+
+ disk = dev->bdev->bd_part;
+ disk_kobj = &part_to_dev(disk)->kobj;
error = sysfs_create_link(fs_info->device_dir_kobj,
disk_kobj, disk_kobj->name);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 02:35:49 +0000