- 31 Jul, 2011 40 commits
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Jeff Layton authored
Reported-and-acked-by:
David Howells <dhowells@redhat.com> Signed-off-by:
Jeff Layton <jlayton@redhat.com> Signed-off-by:
Steve French <sfrench@us.ibm.com>
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Jeff Layton authored
Currently, we take a sb->s_active reference and a cifsFileInfo reference when an oplock break workqueue job is queued. This is unnecessary and more complicated than it needs to be. Also as Al points out, deactivate_super has non-trivial locking implications so it's best to avoid that if we can. Instead, just cancel any pending oplock breaks for this filehandle synchronously in cifsFileInfo_put after taking it off the lists. That should ensure that this job doesn't outlive the structures it depends on. Reported-by:
Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by:
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Jeff Layton authored
The recent fix to the above function causes this compiler warning to pop on some gcc versions: CC [M] fs/cifs/cifssmb.o fs/cifs/cifssmb.c: In function ‘CIFSSMBQAllEAs’: fs/cifs/cifssmb.c:5708: warning: ‘ea_name_len’ may be used uninitialized in this function Signed-off-by:
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Jeff Layton authored
The code that matches EA names in CIFSSMBQAllEAs is incorrect. It uses strncmp to do the comparison with the length limited to the name_len sent in the response. Problem: Suppose we're looking for an attribute named "foobar" and have an attribute before it in the EA list named "foo". The comparison will succeed since we're only looking at the first 3 characters. Fix this by also comparing the length of the provided ea_name with the name_len in the response. If they're not equal then it shouldn't match. Reported-by:
Jian Li <jiali@redhat.com> Signed-off-by:
Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by:
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Jeff Layton authored
Sniffing traffic on the wire shows that windows clients send a zeroed out signature field in a NEGOTIATE request, and send "BSRSPYL" in the signature field during SESSION_SETUP. Make the cifs client behave the same way. It doesn't seem to make much difference in any server that I've tested against, but it's probably best to follow windows behavior as closely as possible here. Signed-off-by:
Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by:
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Jeff Layton authored
...and remove some obsolete comments. Signed-off-by:
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Jeff Layton authored
Currently, we mirror the same size back to the server that it sends us. That makes little sense. Instead we should be sending the server the maximum buffer size that we can handle -- CIFSMaxBufSize minus the 4 byte RFC1001 header. Signed-off-by:
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
* 'nfs-for-3.1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (28 commits) pnfsblock: write_pagelist handle zero invalid extents pnfsblock: note written INVAL areas for layoutcommit pnfsblock: bl_write_pagelist pnfsblock: bl_read_pagelist pnfsblock: cleanup_layoutcommit pnfsblock: encode_layoutcommit pnfsblock: merge rw extents pnfsblock: add extent manipulation functions pnfsblock: bl_find_get_extent pnfsblock: xdr decode pnfs_block_layout4 pnfsblock: call and parse getdevicelist pnfsblock: merge extents pnfsblock: lseg alloc and free pnfsblock: remove device operations pnfsblock: add device operations pnfsblock: basic extent code pnfsblock: use pageio_ops api pnfsblock: add blocklayout Kconfig option, Makefile, and stubs pnfs: cleanup_layoutcommit pnfs: ask for layout_blksize and save it in nfs_server ...
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: slab: use NUMA_NO_NODE slab: remove one NR_CPUS dependency
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writebackLinus Torvalds authored
* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback: don't busy retry the inode on failed grab_super_passive()
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git://git.infradead.org/battery-2.6Linus Torvalds authored
* git://git.infradead.org/battery-2.6: gpio-charger: Fix checking return value of request_any_context_irq power_supply: MAX17042: Support additional properties max8903_charger: Allow platform data to be __initdata power_supply: Add charger driver for MAX8998/LP3974 power_supply: Add charger driver for MAX8997/8966 max17042_battery: Remove obsolete cleanup for clientdata twl4030_charger: Fix warnings wm831x_power: Support multiple instances wm831x_backup: Support multiple instances apm_power: Fix style error in macros s3c_adc_battery: Fix annotation for s3c_adc_battery_probe() bq20z75: Enable detection after registering bq20z75: Add support for external notification
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutilsLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils: cpupower: Do detect IDA (opportunistic processor performance) via cpuid cpupower: Show Intel turbo ratio support via ./cpupower frequency-info cpupowerutils: increase MAX_LINE_LEN cpupower: Rename package from cpupowerutils to cpupower cpupowerutils: Rename: libcpufreq->libcpupower cpupowerutils: use kernel version-derived version string cpupowerutils: utils - ConfigStyle bugfixes cpupowerutils: helpers - ConfigStyle bugfixes cpupowerutils: idle_monitor - ConfigStyle bugfixes cpupowerutils: lib - ConfigStyle bugfixes cpupowerutils: bench - ConfigStyle bugfixes cpupowerutils: do not update po files on each and every compile cpupowerutils: remove ccdv, use kernel quiet/verbose mechanism cpupowerutils: use COPYING, CREDITS from top-level directory cpupowerutils - cpufrequtils extended with quite some features
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: smc91c92_cs.c: fix bogus compiler warning orinoco_cs: be more careful when matching cards with ID 0x0156:0x0002 hostap_cs: support cards with "Version 01.02" as third product ID pcmcia: add PCMCIA_DEVICE_MANF_CARD_PROD_ID3 pxa2xx pcmcia - stargate 2 use gpio array. pcmcia: pxa2xx: remove empty socket_init / socket_resume functions. drivers:pcmcia:soc_common: make socket_init and socket_suspend optional
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Peng Tao authored
For invalid extents, find other pages in the same fsblock and write them out. [pnfsblock: write_begin] Signed-off-by:
Fred Isaman <iisaman@citi.umich.edu> Signed-off-by:
Benny Halevy <bhalevy@panasas.com> Signed-off-by:
Benny Halevy <bhalevy@tonian.com> Signed-off-by:
Peng Tao <peng_tao@emc.com> Signed-off-by:
Jim Rees <rees@umich.edu> Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com>
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Fred Isaman authored
Signed-off-by:
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Fred Isaman authored
Note: When upper layer's read/write request cannot be fulfilled, the block layout driver shouldn't silently mark the page as error. It should do what can be done and leave the rest to the upper layer. To do so, we should set rdata/wdata->res.count properly. When upper layer re-send the read/write request to finish the rest part of the request, pgbase is the position where we should start at. [pnfsblock: bl_write_pagelist support functions] [pnfsblock: bl_write_pagelist adjust for missing PG_USE_PNFS] Signed-off-by:
Zhang Jingwang <yyalone@gmail.com> [pnfs-block: use new write_pagelist api] Signed-off-by:
Boaz Harrosh <bharrosh@panasas.com> Signed-off-by:
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Fred Isaman authored
Note: When upper layer's read/write request cannot be fulfilled, the block layout driver shouldn't silently mark the page as error. It should do what can be done and leave the rest to the upper layer. To do so, we should set rdata/wdata->res.count properly. When upper layer re-send the read/write request to finish the rest part of the request, pgbase is the position where we should start at. [pnfsblock: mark IO error with NFS_LAYOUT_{RW|RO}_FAILED] Signed-off-by: -
Fred Isaman authored
In blocklayout driver. There are two things happening while layoutcommit/cleanup. 1. the modified extents are encoded. 2. On cleanup the extents are put back on the layout rw extents list, for reads. In the new system where actual xdr encoding is done in encode_layoutcommit() directly into xdr buffer, these are the new commit stages: 1. On setup_layoutcommit, the range is adjusted as before and a structure is allocated for communication with bl_encode_layoutcommit && bl_cleanup_layoutcommit (Generic layer provides a void-star to hang it on) 2. bl_encode_layoutcommit is called to do the actual encoding directly into xdr. The commit-extent-list is not freed and is stored on above structure. FIXME: The code is not yet converted to the new XDR cleanup 3. On cleanup the commit-extent-list is put back by a call to set_to_rw() as before, but with no need for XDR decoding of the list as before. And the commit-extent-list is freed. Finally allocated structure is freed. [rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()] Signed-off-by:
Tao Guo <guotao@nrchpc.ac.cn> [pnfsblock: cleanup_layoutcommit wants a status parameter] Signed-off-by:
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Fred Isaman authored
In blocklayout driver. There are two things happening while layoutcommit/cleanup. 1. the modified extents are encoded. 2. On cleanup the extents are put back on the layout rw extents list, for reads. In the new system where actual xdr encoding is done in encode_layoutcommit() directly into xdr buffer, these are the new commit stages: 1. On setup_layoutcommit, the range is adjusted as before and a structure is allocated for communication with bl_encode_layoutcommit && bl_cleanup_layoutcommit (Generic layer provides a void-star to hang it on) 2. bl_encode_layoutcommit is called to do the actual encoding directly into xdr. The commit-extent-list is not freed and is stored on above structure. FIXME: The code is not yet converted to the new XDR cleanup 3. On cleanup the commit-extent-list is put back by a call to set_to_rw() as before, but with no need for XDR decoding of the list as before. And the commit-extent-list is freed. Finally allocated structure is freed. [rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()] [pnfsblock: get rid of deprecated xdr macros] Signed-off-by:
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Fred Isaman authored
Signed-off-by:
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Fred Isaman authored
Adds working implementations of various support functions to handle INVAL extents, needed by writes, such as bl_mark_sectors_init and bl_is_sector_init. [pnfsblock: fix 64-bit compiler warnings for extent manipulation] Signed-off-by:
Zhang Jingwang <zhangjingwang@nrchpc.ac.cn> Signed-off-by:
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Fred Isaman authored
Implement bl_find_get_extent(), one of the core extent manipulation routines. [pnfsblock: Lookup list entry of layouts and tags in reverse order] Signed-off-by:
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Fred Isaman authored
XDR decodes the block layout payload sent in LAYOUTGET result, storing the result in an extent list. [pnfsblock: get rid of deprecated xdr macros] Signed-off-by:
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Fred Isaman authored
Call GETDEVICELIST during mount, then call and parse GETDEVICEINFO for each device returned. [pnfsblock: get rid of deprecated xdr macros] Signed-off-by:
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Fred Isaman authored
Replace a stub, so that extents underlying the layouts are properly added, merged, or ignored as necessary. Signed-off-by:
Mingyang Guo <guomingyang@nrchpc.ac.cn> Signed-off-by:
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Fred Isaman authored
Signed-off-by:
Zhang Jingwang <Jingwang.Zhang@emc.com> Signed-off-by:
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Jim Rees authored
Signed-off-by:
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Jim Rees authored
Signed-off-by:
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Fred Isaman authored
Adds structures and basic create/delete code for extents. Signed-off-by:
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Benny Halevy authored
[pnfsblock: use pnfs_generic_pg_init_read/write] Signed-off-by:
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Fred Isaman authored
Define a configuration variable to enable/disable compilation of the block driver code. Add the minimal structure for a pnfs block layout driver, and empty list-heads that will hold the extent data [pnfsblock: make NFS_V4_1 select PNFS_BLOCK] Signed-off-by:
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Andy Adamson authored
This gives layout driver a chance to cleanup structures they put in at encode_layoutcommit. Signed-off-by:
Andy Adamson <andros@netapp.com> [fixup layout header pointer for layoutcommit] Signed-off-by:
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Fred Isaman authored
Block layout needs it to determine IO size. Signed-off-by:
Tao Guo <glorioustao@gmail.com> Signed-off-by:
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Benny Halevy authored
To allow layout driver to issue getdevicelist at mount time, and clean up at umount time. [fixup non NFS_V4_1 set_pnfs_layoutdriver definition] [pnfs: pass mntfh down the init_pnfs path] Signed-off-by:
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Andy Adamson authored
The block driver uses GETDEVICELIST Signed-off-by:
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Peng Tao authored
Using NFS4_MAX_UINT64 will break current protocol. [Needed in v3.0] CC: Stable Tree <stable@kernel.org> Signed-off-by:
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Peng Tao authored
There can be multiple lseg per file, so layoutcommit should be able to handle it. [Needed in v3.0] CC: Stable Tree <stable@kernel.org> Signed-off-by:
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Peng Tao authored
No need to save it for every lseg. No need to save it at every pnfs_set_layoutcommit. [Needed in v3.0] CC: Stable Tree <stable@kernel.org> Signed-off-by:
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Peng Tao authored
No need to save it for every lseg. [Needed in v3.0] CC: Stable Tree <stable@kernel.org> Signed-off-by:
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Andrew Morton authored
Use the nice enumerated constant. Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Pekka Enberg <penberg@kernel.org>
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