- 16 Dec, 2010 38 commits
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Chuck Lever authored
Clean up. Just fixed a panic where the nrprocs field in a different upper layer client was set by hand incorrectly. Use the compiler-generated method used by the other upper layer protocols. Signed-off-by:
Chuck Lever <chuck.lever@oracle.com> Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com>
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Chuck Lever authored
Clean up. The trend in the other XDR encoder functions is to BUG() when encoding problems occur, since a problem here is always due to a local coding error. Then, instead of a status, zero is unconditionally returned. Update the rpcbind XDR encoders to behave this way. To finish the update, use the new-style be32_to_cpup() and cpu_to_be32() macros, and compute the buffer sizes using raw integers instead of sizeof(). This matches the conventions used in other XDR functions. Signed-off-by:
J. Bruce Fields <bfields@redhat.com> Signed-off-by:
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Chuck Lever authored
Clean up. The UMNT request has a NULL response. There's no need to set up a mountres structure for it. Signed-off-by:
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Chuck Lever authored
Clean up. The trend in the other XDR encoder functions is to BUG() when encoding problems occur, since a problem here is always due to a local coding error. Then, instead of a status, zero is unconditionally returned. Update the mount client XDR encoders to behave this way. To finish the update, use the new-style be32_to_cpup() and cpu_to_be32() macros, and compute the buffer sizes using raw integers instead of sizeof(). This matches the conventions used in other XDR functions. Signed-off-by:
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Chuck Lever authored
Clean up. The trend in the other XDR encoder functions is to BUG() when encoding problems occur, since a problem here is always due to a local coding error. Then, instead of a status, zero is unconditionally returned. Update the NSM XDR encoders to behave this way. To finish the update, use the new-style be32_to_cpup() and cpu_to_be32() macros, and compute the buffer sizes using raw integers instead of sizeof(). This matches the conventions used in other XDR functions Signed-off-by:
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Chuck Lever authored
Clean up. .../linux/nfs-2.6/fs/nfs/nfs4xdr.c: In function ‘decode_getdeviceinfo’: .../linux/nfs-2.6/fs/nfs/nfs4xdr.c:5008: warning: comparison between signed and unsigned integer expressions Signed-off-by:
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Chuck Lever authored
Clean up. The pointer returned by ->decode_dirent() is no longer used as a pointer. The only call site (xdr_decode() in fs/nfs/dir.c) simply extracts the errno value encoded in the pointer. Replace the returned pointer with a standard integer errno return value. Also, pass the "server" argument as part of the nfs_entry instead of as a separate parameter. It's faster to derive "server" in nfs_readdir_xdr_to_array() since we already have the directory's inode handy. "server" ought to be invariant for a set of entries in the same directory, right? The legacy versions of decode_dirent() don't use "server" anyway, so it's wasted work for them to derive and pass "server" for each entry. Signed-off-by:
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Chuck Lever authored
When computing the length of the header, be sure to include the four octets consumed by "count". Signed-off-by:
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Chuck Lever authored
Clean up. nlmdbg_cookie2a() is used only in svclock.c. Signed-off-by:
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Chuck Lever authored
Clean up. When I was making other changes in this area, checkscript.pl complained about the use of leading blanks in the PROC macros in the xdr files. Signed-off-by:
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Chuck Lever authored
Clean up. Remove old-style NFSv4 XDR macros in favor of the style now used in fs/nfs/nfs4xdr.c. These were forgotten during the recent nfs4xdr.c rewrite. Additional whitespace cleanup adds to the size of this patch. Signed-off-by:
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Chuck Lever authored
Clean up. Remove old-style NFSv4 XDR macros in favor of the style now used in fs/nfs/nfs4xdr.c. These were forgotten during the recent nfs4xdr.c rewrite. Signed-off-by:
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Chuck Lever authored
We'd like to prevent local buffer overflows caused by malicious or broken servers. New xdr_stream style decoders can do that. For efficiency, we also want to be able to pass xdr_streams from call_encode() to all XDR encoding functions, rather than building an xdr_stream in every XDR encoding function in the kernel. Same idea as the NLM v3 XDR overhaul. Signed-off-by:
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Chuck Lever authored
Clean up. Move the timestamp decoder to match the placement and naming conventions of the other helpers. Fold xdr_decode_fattr() into decode_fattr3(), which is now it's only user. Fold xdr_decode_wcc_attr() into decode_wcc_attr(), which is now it's only user. Signed-off-by:
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Chuck Lever authored
Clean up. Remove unused legacy result decoder functions, and any now unused decoder helper functions. Signed-off-by:
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Chuck Lever authored
The naming scheme of the new decoder functions, which follows the NFSv4 XDR decoder functions, is slightly different than the scheme used for the old functions. Rename the functions as a separate step to keep the patches clean. Signed-off-by:
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Chuck Lever authored
We'd like to prevent local buffer overflows caused by malicious or broken servers. New xdr_stream style decoders can do that. For efficiency, we also eventually want to be able to pass xdr_streams from call_decode() to all XDR decoding functions, rather than building an xdr_stream in every XDR decoding function in the kernel. Static helper functions are left without the "inline" directive. This allows the compiler to choose automatically how to optimize these for size or speed. Signed-off-by:
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Chuck Lever authored
Clean up. Move the timestamp and the sattr encoder to match the placement convention of the other helpers, update their coding style, and refresh their documenting comments. Signed-off-by:
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Chuck Lever authored
Clean up. Remove unused legacy argument encoder functions, and any now unused encoder helper functions. Signed-off-by:
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Chuck Lever authored
The naming scheme of the new encoder functions, which follows the NFSv4 XDR encoder functions, is slightly different than the scheme used for the old functions. Rename the functions as a separate step to keep the patches clean. Signed-off-by:
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Chuck Lever authored
We're interested in taking advantage of the safety benefits of xdr_streams. These data structures allow more careful checking for buffer overflow while encoding. More careful type checking is also introduced in the new functions. For efficiency, we also eventually want to be able to pass xdr_streams from call_encode() to all XDR encoding functions, rather than building an xdr_stream in every XDR encoding function in the kernel. To do this means all encoders must be ready to handle a passed-in xdr_stream. The new encoders follow the modern paradigm for XDR encoders: BUG on error, and always return a zero status code. Static helper functions are left without the "inline" directive. This allows the compiler to choose automatically how to optimize these for size or speed. Signed-off-by:
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Chuck Lever authored
We'd like to prevent local buffer overflows caused by malicious or broken servers. New xdr_stream style decoders can do that. For efficiency, we also eventually want to be able to pass xdr_streams from call_encode() and call_decode() to all XDR encoding functions, rather than building an xdr_stream in every XDR encoding and decoding function in the kernel. To do all of this, rewrite the XDR encoding and decoding functions in fs/lockd/xdr.c to use xdr_streams. This makes them more or less incompatible with server-side XDR helper functions, so break them out into a separate source file. Static helper functions are left without the "inline" directive. This allows the compiler to choose automatically how to optimize these for size or speed. SHARE-related functionality doesn't seem to be used, as those functions are hiding behind a #define that isn't set anywhere that I can find. And, they've been in there forever (at least as far back as the kernel's git history goes), yet remain unused. Let's take the opportunity to bin them. It should be easy enough for someone to introduce proper XDR functions if at some point SHARE-related NLM functionality is desired. Signed-off-by:
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Chuck Lever authored
Clean up. Move the timestamp decoder to match the placement and naming conventions of the other helpers. Fold xdr_decode_fattr() into decode_fattr(), which is now it's only user. Signed-off-by:
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Chuck Lever authored
Clean up. Remove unused legacy result decoder functions, and any now unused decoder helper functions. Signed-off-by:
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Chuck Lever authored
We'd like to prevent local buffer overflows caused by malicious or broken servers. New xdr_stream style decoders can do that. For efficiency, we also eventually want to be able to pass xdr_streams from call_decode() to all XDR decoding functions, rather than building an xdr_stream in every XDR decoding function in the kernel. nfs_decode_dirent() is renamed to follow the naming convention of the other two dirent decoders. Static helper functions are left without the "inline" directive. This allows the compiler to choose automatically how to optimize these for size or speed. Signed-off-by:
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Chuck Lever authored
Clean up. To distinguish more clearly between the on-the-wire NFSERR_ value and our local errno values, use the proper type for the argument of nfs_stat_to_errno(). Add a documenting comment appropriate for a global function shared outside this source file. Signed-off-by:
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Chuck Lever authored
Clean up. The new helper functions are kept in order by section of RFC 1094. Move the two timestamp encoders we're keeping, update their coding style, and refresh their documenting comments. Signed-off-by:
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Chuck Lever authored
Clean up: Remove unused legacy argument encoder functions, and any now unused encoder helper functions. Signed-off-by:
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Chuck Lever authored
We're interested in taking advantage of the safety benefits of xdr_streams. These data structures allow more careful checking for buffer overflow while encoding. More careful type checking is also introduced in the new functions. For efficiency, we also eventually want to be able to pass xdr_streams from call_encode() to all XDR encoding functions, rather than building an xdr_stream in every XDR encoding function in the kernel. To do this means all encoders must be ready to handle a passed-in xdr_stream. The new encoders follow the modern paradigm for XDR encoders: BUG on any error, and always return a zero status code. Static helper functions are left without the "inline" directive. This allows the compiler to choose automatically how to optimize these for size or speed. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: populate initial_page_table lguest: restore boot speed lguest: fix crash lguest_time_init
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix regression of garbage collection ioctl
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: define separate EVIOCGKEYCODE_V2/EVIOCSKEYCODE_V2 Input: wacom - add another Bamboo Pen ID (0xd4)
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Rusty Russell authored
Two x86 patches broke lguest: 1) v2.6.35-492-g72d7c3b3, which changed x86 to use the memblock allocator. In lguest, the host places linear page tables at the top of mem, which used to be enough to get us up to the swapper_pg_dir page tables. With the first patch, the direct mapping tables used that memory: Before: kernel direct mapping tables up to 4000000 @ 7000-1a000 After: kernel direct mapping tables up to 4000000 @ 3fed000-4000000 I initially fixed this by lying about the amount of memory we had, so the kernel wouldn't blatt the lguest boot pagetables (yuk!), but then... 2) v2.6.36-rc8-54-gb40827f, which made x86 boot use initial_page_table. This was initialized in a part of head_32.S which isn't executed by lguest; it is then copied into swapper_pg_dir. So we have to initialize it; and anyway we switch to it before we blatt the old tables, so that fixes the previous damage as well. For the moment, I cut & pasted the code into lguest's boot code, but next merge window I will merge them. Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> To: x86@kernel.org
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Rusty Russell authored
lguest is dumb and drops *all* the pagetables for set_pte (which is only used for kernel mapping manipulation, so it's OK without highmem). But it's used a lot in boot, too. As a guest optimization, we suppressed this flushing until the first page switch. Now we have initial_page_table, that happens much earlier, so extend the heuristic to wait until we switch to something other than the swapper_pg_dir or initial_page_table. As measured on my laptop under kvm, this dropped the time-to-mount-root from 48 seconds to 4.3 seconds. Signed-off-by: -
Rusty Russell authored
fe25c7fc "x86: lguest: Convert to new irq chip functions" converted enable_lguest_irq() to take a struct irq_data *, but didn't fix the one internal caller. Signed-off-by:
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Ryusuke Konishi authored
On 2.6.37-rc1, garbage collection ioctl of nilfs was broken due to the commit 263d90ce ("nilfs2: remove own inode hash used for GC"), and leading to filesystem corruption. The patch doesn't queue gc-inodes for log writer if they are reused through the vfs inode cache. Here, gc-inode is the inode which buffers blocks to be relocated on GC. That patch queues gc-inodes in nilfs_init_gcinode() function, but this function is not called when they don't have I_NEW flag. Thus, some of live blocks are wrongly overrode without being moved to new logs. This resolves the problem by moving the gc-inode queueing to an outer function to ensure it's done right. Signed-off-by:
Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: ghash-intel - ghash-clmulni-intel_glue needs err.h
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- 15 Dec, 2010 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix typo which broke '..' detection in ext4_find_entry() ext4: Turn off multiple page-io submission by default
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Jeremy Fitzhardinge authored
Without this, gcc 4.5 won't compile xen-netfront and xen-blkfront, where this is being used to specify array sizes. Signed-off-by:
Jan Beulich <jbeulich@novell.com> Signed-off-by:
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: David Miller <davem@davemloft.net> Cc: Stable Kernel <stable@kernel.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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