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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

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Pull btrfs fixes from Chris Mason:
 "Filipe is fixing compile and boot problems with our crc32c rework, and
  Josef has disabled snapshot aware defrag for now.

  As the number of snapshots increases, we're hitting OOM.  For the
  short term we're disabling things until a bigger fix is ready"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: use late_initcall instead of module_init
  Btrfs: use btrfs_crc32c everywhere instead of libcrc32c
  Btrfs: disable snapshot aware defrag for now
This commit is contained in:
Linus Torvalds 2014-02-04 12:26:56 -08:00
commit 878a876b2e
5 changed files with 8 additions and 8 deletions
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4
fs/btrfs/check-integrity.c
View File

@ -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))

4
fs/btrfs/disk-io.c
View File

@ -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)

2
fs/btrfs/inode.c
View File

@ -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);

4
fs/btrfs/send.c
View File

@ -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,

2
fs/btrfs/super.c
View File

@ -1996,7 +1996,7 @@ 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");