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author | 2009-04-19 13:02:41 +0100 | |
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committer | 2009-06-10 11:29:53 -0400 | |
commit | 163e783e6a8b1e8bcb4c9084d438091386b589df (patch) | |
tree | dd7fbe662b7c81ba8c548b309fed4376f07ea495 /fs | |
parent | Btrfs: implement FS_IOC_GETFLAGS/SETFLAGS/GETVERSION (diff) | |
download | linux-163e783e6a8b1e8bcb4c9084d438091386b589df.tar.gz linux-163e783e6a8b1e8bcb4c9084d438091386b589df.tar.bz2 linux-163e783e6a8b1e8bcb4c9084d438091386b589df.zip |
Btrfs: remove crc32c.h and use libcrc32c directly.
There's no need to preserve this abstraction; it used to let us use
hardware crc32c support directly, but libcrc32c is already doing that for us
through the crypto API -- so we're already using the Intel crc32c
acceleration where appropriate.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/crc32c.h | 29 | ||||
-rw-r--r-- | fs/btrfs/disk-io.c | 4 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 7 | ||||
-rw-r--r-- | fs/btrfs/hash.h | 4 |
4 files changed, 7 insertions, 37 deletions
diff --git a/fs/btrfs/crc32c.h b/fs/btrfs/crc32c.h deleted file mode 100644 index 6e1b3de36700..000000000000 --- a/fs/btrfs/crc32c.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2008 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License v2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#ifndef __BTRFS_CRC32C__ -#define __BTRFS_CRC32C__ -#include <linux/crc32c.h> - -/* - * this file used to do more for selecting the HW version of crc32c, - * perhaps it will one day again soon. - */ -#define btrfs_crc32c(seed, data, length) crc32c(seed, data, length) -#endif - diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index f4dfbb7ab496..6c54c210dfd0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -26,8 +26,8 @@ #include <linux/workqueue.h> #include <linux/kthread.h> #include <linux/freezer.h> +#include <linux/crc32c.h> #include "compat.h" -#include "crc32c.h" #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -171,7 +171,7 @@ out: u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len) { - return btrfs_crc32c(seed, data, len); + return crc32c(seed, data, len); } void btrfs_csum_final(u32 crc, char *result) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3355d7ea8308..33a65f2c8a37 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -23,7 +23,6 @@ #include <linux/rcupdate.h> #include "compat.h" #include "hash.h" -#include "crc32c.h" #include "ctree.h" #include "disk-io.h" #include "print-tree.h" @@ -625,11 +624,11 @@ static u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset) __le64 lenum; lenum = cpu_to_le64(root_objectid); - high_crc = btrfs_crc32c(high_crc, &lenum, sizeof(lenum)); + high_crc = crc32c(high_crc, &lenum, sizeof(lenum)); lenum = cpu_to_le64(owner); - low_crc = btrfs_crc32c(low_crc, &lenum, sizeof(lenum)); + low_crc = crc32c(low_crc, &lenum, sizeof(lenum)); lenum = cpu_to_le64(offset); - low_crc = btrfs_crc32c(low_crc, &lenum, sizeof(lenum)); + low_crc = crc32c(low_crc, &lenum, sizeof(lenum)); return ((u64)high_crc << 31) ^ (u64)low_crc; } diff --git a/fs/btrfs/hash.h b/fs/btrfs/hash.h index 2a020b276768..db2ff9773b99 100644 --- a/fs/btrfs/hash.h +++ b/fs/btrfs/hash.h @@ -19,9 +19,9 @@ #ifndef __HASH__ #define __HASH__ -#include "crc32c.h" +#include <linux/crc32c.h> static inline u64 btrfs_name_hash(const char *name, int len) { - return btrfs_crc32c((u32)~1, name, len); + return crc32c((u32)~1, name, len); } #endif |