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* crypto: gf128mul - Remove experimental tagHerbert Xu2010-12-281-1/+0
| | | | | | | This feature no longer needs the experimental tag. Reported-by: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: af_alg - fix af_alg memory_allocated data typeRandy Dunlap2010-12-211-1/+1
| | | | | | | | | Change data type to fix warning: crypto/af_alg.c:35: warning: initialization from incompatible pointer type Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: aesni-intel - Fixed build with binutils 2.16Tadeusz Struk2010-12-131-79/+519
| | | | | | | | | | This patch fixes the problem with 2.16 binutils. Signed-off-by: Aidan O'Mahony <aidan.o.mahony@intel.com> Signed-off-by: Adrian Hoban <adrian.hoban@intel.com> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: af_alg - Make sure sk_security is initialized on accept()ed socketsMiloslav Trmač2010-12-081-0/+1
| | | | | Signed-off-by: Miloslav Trmač <mitr@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* net: Add missing lockdep class names for af_algMiloslav Trmač2010-12-081-3/+3
| | | | | Signed-off-by: Miloslav Trmač <mitr@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* include: Install linux/if_alg.h for user-space crypto APIMiloslav Trmač2010-12-031-0/+1
| | | | | Signed-off-by: Miloslav Trmač <mitr@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - checkpatch --file warning fixesDmitry Kasatkin2010-12-021-3/+3
| | | | | Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - initialize aes module once per requestDmitry Kasatkin2010-12-021-26/+28
| | | | | | | | | AES module was initialized for every DMA transaction. That is redundant. Now it is initialized once per request. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - unnecessary code removedDmitry Kasatkin2010-12-021-53/+17
| | | | | | | | Key and IV should always be set before AES operation. So no need to check if it has changed or not. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - error handling implementation improvedDmitry Kasatkin2010-12-021-41/+93
| | | | | | | | | | | | | Previous version had not error handling. Request could remain uncompleted. Also in the case of DMA error, FLAGS_INIT is unset and accelerator will be initialized again. Buffer size allignment is checked. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - redundant locking is removedDmitry Kasatkin2010-12-021-38/+32
| | | | | | | | | | Submitting request involved double locking for enqueuing and dequeuing. Now it is done under the same lock. FLAGS_BUSY is now handled under the same lock. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-aes - DMA initialization fixes for OMAP off modeDmitry Kasatkin2010-12-021-12/+12
| | | | | | | | | | DMA parameters for constant data were initialized during driver probe(). It seems that those settings sometimes are lost when devices goes to off mode. This patch makes DMA initialization just before use. It solves off mode problems. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: Use scatterwalk_crypto_chainSteffen Klassert2010-12-023-51/+8
| | | | | | | Use scatterwalk_crypto_chain in favor of locally defined chaining functions. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: scatterwalk - Add scatterwalk_crypto_chain helperSteffen Klassert2010-12-021-0/+15
| | | | | | | | | A lot of crypto algorithms implement their own chaining function. So add a generic one that can be used from all the algorithms that need scatterlist chaining. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: algif_skcipher - Handle unaligned receive bufferHerbert Xu2010-11-301-6/+7
| | | | | | | | | | | | As it is if user-space passes through a receive buffer that's not aligned to to the cipher block size, we'll end up encrypting or decrypting a partial block which causes a spurious EINVAL to be returned. This patch fixes this by moving the partial block test after the af_alg_make_sg call. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: algif_skcipher - Fixed overflow when sndbuf is page alignedHerbert Xu2010-11-301-21/+11
| | | | | | | | | | | | | | | | | | When sk_sndbuf is not a multiple of PAGE_SIZE, the limit tests in sendmsg fail as the limit variable becomes negative and we're using an unsigned comparison. The same thing can happen if sk_sndbuf is lowered after a sendmsg call. This patch fixes this by always taking the signed maximum of limit and 0 before we perform the comparison. It also rounds the value of sk_sndbuf down to a multiple of PAGE_SIZE so that we don't end up allocating a page only to use a small number of bytes in it because we're bound by sk_sndbuf. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: af_alg - Add dependency on NETHerbert Xu2010-11-291-0/+2
| | | | | | | | | | | | Add missing dependency on NET since we require sockets for our interface. Should really be a select but kconfig doesn't like that: net/Kconfig:6:error: found recursive dependency: NET -> NETWORK_FILESYSTEMS -> AFS_FS -> AF_RXRPC -> CRYPTO -> CRYPTO_USER_API_HASH -> CRYPTO_USER_API -> NET Reported-by: Zimny Lech <napohybelskurwysynom2010@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: aesni-intel - Fixed build error on x86-32Mathias Krause2010-11-292-14/+17
| | | | | | | | | | Exclude AES-GCM code for x86-32 due to heavy usage of 64-bit registers not available on x86-32. While at it, fixed unregister order in aesni_exit(). Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: algif_skcipher - Pass on error from af_alg_make_sgHerbert Xu2010-11-281-1/+2
| | | | | | | The error returned from af_alg_make_sg is currently lost and we always pass on -EINVAL. This patch pases on the underlying error. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - zero-copy scatterlist handlingDmitry Kasatkin2010-11-271-26/+61
| | | | | | | | | | | | | If scatterlist have more than one entry, current driver uses aligned buffer to copy data to to accelerator to tackle possible issues with DMA and SHA buffer alignment. This commit adds more intelligence to verify SG alignment and possibility to use DMA directly on the data without using copy buffer. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - FLAGS_FIRST is redundant and removedDmitry Kasatkin2010-11-271-7/+1
| | | | | | | | bufcnt is 0 if it was no update requests before, which is exact meaning of FLAGS_FIRST. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - hash-in-progress is stored in hw formatDmitry Kasatkin2010-11-271-14/+24
| | | | | | | | | Hash-in-progress is now stored in hw format. Only on final call, hash is converted to correct format. Speedup copy procedure and will allow to use OMAP burst mode. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - crypto_ahash_final() now not need to be called.Dmitry Kasatkin2010-11-271-86/+82
| | | | | | | | | | | | | | | | | | | | | According to the Herbert Xu, client may not always call crypto_ahash_final(). In the case of error in hash calculation resources will be automatically cleaned up. But if no hash calculation error happens and client will not call crypto_ahash_final() at all, then internal buffer will not be freed, and clocks will not be disabled. This patch provides support for atomic crypto_ahash_update() call. Clocks are now enabled and disabled per update request. Data buffer is now allocated as a part of request context. Client is obligated to free it with crypto_free_ahash(). Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - removed redundunt lockingDmitry Kasatkin2010-11-271-26/+21
| | | | | | | | Locking for queuing and dequeuing is combined. test_and_set_bit() is also replaced with checking under dd->lock. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - error handling improvedDmitry Kasatkin2010-11-271-23/+44
| | | | | | | | | | | | | Introduces DMA error handling. DMA error is returned as a result code of the hash request. Clients needs to handle error codes and may repeat hash calculation attempt. Also in the case of DMA error, SHAM module is set to be re-initialized again. It significantly improves stability against possible HW failures. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - DMA initialization fixes for off modeDmitry Kasatkin2010-11-271-9/+10
| | | | | | | | | | | | DMA parameters for constant data were initialized during driver probe(). It seems that those settings sometimes are lost when devices goes to off mode. This patch makes DMA initialization just before use. It solves off mode problems. Fixes: NB#202786 - Aegis & SHA1 block off mode changes Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: omap-sham - uses digest buffer in request contextDmitry Kasatkin2010-11-271-3/+8
| | | | | | | | | | Currently driver storred digest results in req->results provided by the client. But some clients do not set it until final() call. It leads to crash. Changed to use internal buffer to store temporary digest results. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: aesni-intel - Ported implementation to x86-32Mathias Krause2010-11-273-40/+191
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The AES-NI instructions are also available in legacy mode so the 32-bit architecture may profit from those, too. To illustrate the performance gain here's a short summary of a dm-crypt speed test on a Core i7 M620 running at 2.67GHz comparing both assembler implementations: x86: i568 aes-ni delta ECB, 256 bit: 93.8 MB/s 123.3 MB/s +31.4% CBC, 256 bit: 84.8 MB/s 262.3 MB/s +209.3% LRW, 256 bit: 108.6 MB/s 222.1 MB/s +104.5% XTS, 256 bit: 105.0 MB/s 205.5 MB/s +95.7% Additionally, due to some minor optimizations, the 64-bit version also got a minor performance gain as seen below: x86-64: old impl. new impl. delta ECB, 256 bit: 121.1 MB/s 123.0 MB/s +1.5% CBC, 256 bit: 285.3 MB/s 290.8 MB/s +1.9% LRW, 256 bit: 263.7 MB/s 265.3 MB/s +0.6% XTS, 256 bit: 251.1 MB/s 255.3 MB/s +1.7% Signed-off-by: Mathias Krause <minipli@googlemail.com> Reviewed-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: Makefile clean upTracey Dent2010-11-271-7/+7
| | | | | | | Changed Makefile to use <modules>-y instead of <modules>-objs. Signed-off-by: Tracey Dent <tdent48227@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: Use vzallocJoe Perches2010-11-272-4/+2
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: algif_skcipher - User-space interface for skcipher operationsHerbert Xu2010-11-263-0/+649
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the af_alg plugin for symmetric key ciphers, corresponding to the ablkcipher kernel operation type. Keys can optionally be set through the setsockopt interface. Once a sendmsg call occurs without MSG_MORE no further writes may be made to the socket until all previous data has been read. IVs and and whether encryption/decryption is performed can be set through the setsockopt interface or as a control message to sendmsg. The interface is completely synchronous, all operations are carried out in recvmsg(2) and will complete prior to the system call returning. The splice(2) interface support reading the user-space data directly without copying (except that the Crypto API itself may copy the data if alignment is off). The recvmsg(2) interface supports directly writing to user-space without additional copying, i.e., the kernel crypto interface will receive the user-space address as its output SG list. Thakns to Miloslav Trmac for reviewing this and contributing fixes and improvements. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: David S. Miller <davem@davemloft.net>
* crypto: algif_hash - User-space interface for hash operationsHerbert Xu2010-11-193-0/+328
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the af_alg plugin for hash, corresponding to the ahash kernel operation type. Keys can optionally be set through the setsockopt interface. Each sendmsg call will finalise the hash unless sent with a MSG_MORE flag. Partial hash states can be cloned using accept(2). The interface is completely synchronous, all operations will complete prior to the system call returning. Both sendmsg(2) and splice(2) support reading the user-space data directly without copying (except that the Crypto API itself may copy the data if alignment is off). For now only the splice(2) interface supports performing digest instead of init/update/final. In future the sendmsg(2) interface will also be modified to use digest/finup where possible so that hardware that cannot return a partial hash state can still benefit from this interface. Thakns to Miloslav Trmac for reviewing this and contributing fixes and improvements. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: David S. Miller <davem@davemloft.net> Tested-by: Martin Willi <martin@strongswan.org>
* crypto: af_alg - User-space interface for Crypto APIHerbert Xu2010-11-195-0/+618
| | | | | | | | | | | | | | | | | | | | | | | | | This patch creates the backbone of the user-space interface for the Crypto API, through a new socket family AF_ALG. Each session corresponds to one or more connections obtained from that socket. The number depends on the number of inputs/outputs of that particular type of operation. For most types there will be a s ingle connection/file descriptor that is used for both input and output. AEAD is one of the few that require two inputs. Each algorithm type will provide its own implementation that plugs into af_alg. They're keyed using a string such as "skcipher" or "hash". IOW this patch only contains the boring bits that is required to hold everything together. Thakns to Miloslav Trmac for reviewing this and contributing fixes and improvements. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: David S. Miller <davem@davemloft.net> Tested-by: Martin Willi <martin@strongswan.org>
* net - Add AF_ALG macrosHerbert Xu2010-11-191-1/+4
| | | | | | | | | This patch adds the socket family/level macros for the yet-to-be-born AF_ALG family. The AF_ALG family provides the user-space interface for the kernel crypto API. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: David S. Miller <davem@davemloft.net>
* crypto: rfc4106 - Extending the RC4106 AES-GCM test vectorsAdrian Hoban2010-11-133-0/+396
| | | | | | | | | | | | Updated RFC4106 AES-GCM testing. Some test vectors were taken from http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/ gcm/gcm-test-vectors.tar.gz Signed-off-by: Adrian Hoban <adrian.hoban@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com> Signed-off-by: Aidan O'Mahony <aidan.o.mahony@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: aesni-intel - RFC4106 AES-GCM Driver Using Intel New InstructionsTadeusz Struk2010-11-132-2/+1708
| | | | | | | | | | | | | | | | | This patch adds an optimized RFC4106 AES-GCM implementation for 64-bit kernels. It supports 128-bit AES key size. This leverages the crypto AEAD interface type to facilitate a combined AES & GCM operation to be implemented in assembly code. The assembly code leverages Intel(R) AES New Instructions and the PCLMULQDQ instruction. Signed-off-by: Adrian Hoban <adrian.hoban@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com> Signed-off-by: Aidan O'Mahony <aidan.o.mahony@intel.com> Signed-off-by: Erdinc Ozturk <erdinc.ozturk@intel.com> Signed-off-by: James Guilford <james.guilford@intel.com> Signed-off-by: Wajdi Feghali <wajdi.k.feghali@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: cast5 - simplify if-statementsNicolas Kaiser2010-11-131-50/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed that by factoring out common rounds from the branches of the if-statements in the encryption and decryption functions, the executable file size goes down significantly, for crypto/cast5.ko from 26688 bytes to 24336 bytes (amd64). On my test system, I saw a slight speedup. This is the first time I'm doing such a benchmark - I found a similar one on the crypto mailing list, and I hope I did it right? Before: # cryptsetup create dm-test /dev/hda2 -c cast5-cbc-plain -s 128 Passsatz eingeben: # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,43484 s, 21,5 MB/s # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,4089 s, 21,8 MB/s # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,41091 s, 21,7 MB/s After: # cryptsetup create dm-test /dev/hda2 -c cast5-cbc-plain -s 128 Passsatz eingeben: # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,38128 s, 22,0 MB/s # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,29486 s, 22,8 MB/s # dd if=/dev/zero of=/dev/mapper/dm-test bs=1M count=50 52428800 Bytes (52 MB) kopiert, 2,37162 s, 22,1 MB/s Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: hash - Fix async import on shash algorithmHerbert Xu2010-11-041-1/+7
| | | | | | | | | | The function shash_async_import did not initialise the descriptor correctly prior to calling the underlying shash import function. This patch adds the required initialisation. Reported-by: Miloslav Trmac <mitr@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'upstream-merge' of ↵Linus Torvalds2010-10-2733-1131/+2510
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'upstream-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (50 commits) ext4,jbd2: convert tracepoints to use major/minor numbers ext4: optimize orphan_list handling for ext4_setattr ext4: fix unbalanced mutex unlock in error path of ext4_li_request_new ext4: fix compile error in ext4_fallocate() ext4: move ext4_mb_{get,put}_buddy_cache_lock and make them static ext4: rename mark_bitmap_end() to ext4_mark_bitmap_end() ext4: move flush_completed_IO to fs/ext4/fsync.c and make it static ext4: rename {ext,idx}_pblock and inline small extent functions ext4: make various ext4 functions be static ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*() ext4: fix kernel oops if the journal superblock has a non-zero j_errno ext4: update writeback_index based on last page scanned ext4: implement writeback livelock avoidance using page tagging ext4: tidy up a void argument in inode.c ext4: add batched_discard into ext4 feature list ext4: Add batched discard support for ext4 fs: Add FITRIM ioctl ext4: Use return value from sb_issue_discard() ext4: Check return value of sb_getblk() and friends ext4: use bio layer instead of buffer layer in mpage_da_submit_io ...
| * Merge branch 'next' into upstream-mergeTheodore Ts'o2010-10-2733-1131/+2510
| |\ | | | | | | | | | | | | | | | | | | Conflicts: fs/ext4/inode.c fs/ext4/mballoc.c include/trace/events/ext4.h
| | * ext4,jbd2: convert tracepoints to use major/minor numbersTheodore Ts'o2010-10-272-156/+251
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately perf can't deal with anything other than direct structure accesses in the TP_printk() section. It will drop dead when it sees jbd2_dev_to_name() in the "print fmt" section of the tracepoint. Addresses-Google-Bug: 3138508 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: optimize orphan_list handling for ext4_setattrDmitry Monakhov2010-10-271-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Surprisingly chown() on ext4 is not SMP scalable operation. Due to unconditional orphan_del(NULL, inode) in ext4_setattr() result in significant performance overhead because of global orphan mutex, especially in no-journal mode (where orphan_add() is noop). It is possible to skip explicit orphan_del if possible. Results of fchown() micro-benchmark in no-journal mode while (1) { iteration++; fchown(fd, uid, gid); fchown(fd, uid + 1, gid + 1) } measured: iterations per millisecond | nr_tasks | w/o patch | with patch | | 1 | 142 | 185 | | 4 | 109 | 642 | Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: fix unbalanced mutex unlock in error path of ext4_li_request_newNicolas Kaiser2010-10-271-14/+8
| | | | | | | | | | | | | | | Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: fix compile error in ext4_fallocate()Kazuya Mio2010-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I compiled 2.6.36-rc3 kernel with EXT4FS_DEBUG definition, I got the following compile error. CC [M] fs/ext4/extents.o fs/ext4/extents.c: In function 'ext4_fallocate': fs/ext4/extents.c:3772: error: 'block' undeclared (first use in this function) fs/ext4/extents.c:3772: error: (Each undeclared identifier is reported only once fs/ext4/extents.c:3772: error: for each function it appears in.) make[2]: *** [fs/ext4/extents.o] Error 1 The patch fixes this problem. Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: move ext4_mb_{get,put}_buddy_cache_lock and make them staticEric Sandeen2010-10-272-81/+79
| | | | | | | | | | | | | | | | | | | | | | | | These functions are only used within fs/ext4/mballoc.c, so move them so they are used after they are defined, and then make them be static. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: rename mark_bitmap_end() to ext4_mark_bitmap_end()Theodore Ts'o2010-10-274-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | Fix a namespace leak from fs/ext4 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: move flush_completed_IO to fs/ext4/fsync.c and make it staticTheodore Ts'o2010-10-273-84/+83
| | | | | | | | | | | | | | | | | | | | | Fix a namespace leak by moving the function to the file where it is used and making it static. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: rename {ext,idx}_pblock and inline small extent functionsTheodore Ts'o2010-10-274-118/+121
| | | | | | | | | | | | | | | | | | | | | | | | | | | Cleanup namespace leaks from fs/ext4 and the inline trivial functions ext4_{ext,idx}_pblock() and ext4_{ext,idx}_store_pblock() since the code size actually shrinks when we make these functions inline, they're so trivial. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: make various ext4 functions be staticTheodore Ts'o2010-10-277-44/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These functions have no need to be exported beyond file context. No functions needed to be moved for this commit; just some function declarations changed to be static and removed from header files. (A similar patch was submitted by Eric Sandeen, but I wanted to handle code movement in separate patches to make sure code changes didn't accidentally get dropped.) Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| | * ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*()Theodore Ts'o2010-10-277-34/+34
| | | | | | | | | | | | | | | | | | This is a cleanup to avoid namespace leaks out of fs/ext4 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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