- 20 7月, 2011 35 次提交
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由 Al Viro 提交于
just dentry, please... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
instead of path_get()/path_put(), we can just use nfs_sb_{,de}active() to pin the superblock down. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
... and get rid of a bogus typecast, while we are at it; it's not just that we want a function returning int and not void, but cast to pointer to function taking void * and returning void would be (void (*)(void *)) and not (void *)(void *), TYVM... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
... now that inode_permission() can take MAY_NOT_BLOCK and handle it properly. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
not used anymore Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
cache footprint alone makes it a bad idea... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
pass mask instead; kill security_inode_exec_permission() since we can use security_inode_permission() instead. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
pass that via mask instead. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
not used by the instances anymore. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
redundant; all callers get it duplicated in mask & MAY_NOT_BLOCK and none of them removes that bit. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
not used in the instances anymore. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Duplicate the flags argument into mask bitmap. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
its value depends only on inode and does not change; we might as well store it in ->i_op->check_acl and be done with that. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
new helpers: atomic_inc_unless_negative()/atomic_dec_unless_positive() Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
... and convert the comment before it into linuxdoc form. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
convert the last remaining caller to inode_permission() Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
new helper: would_dump(bprm, file). Checks if we are allowed to read the file and if we are not - sets ENFORCE_NODUMP. Exported, used in places that previously open-coded the same logics. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
capability overrides apply only to the default case; if fs has ->permission() that does _not_ call generic_permission(), we have no business doing them. Moreover, if it has ->permission() that does call generic_permission(), we have no need to recheck capabilities. Besides, the capability overrides should apply only if we got EACCES from acl_permission_check(); any other value (-EIO, etc.) should be returned to caller, capabilities or not capabilities. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Call the given function for all superblocks of given type. Function gets a superblock (with s_umount locked shared) and (void *) argument supplied by caller of iterator. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Josef Bacik 提交于
Btrfs (and I'd venture most other fs's) stores its indexes in nice disk order for readdir, but unfortunately in the case of anything that stats the files in order that readdir spits back (like oh say ls) that means we still have to do the normal lookup of the file, which means looking up our other index and then looking up the inode. What I want is a way to create dummy dentries when we find them in readdir so that when ls or anything else subsequently does a stat(), we already have the location information in the dentry and can go straight to the inode itself. The lookup stuff just assumes that if it finds a dentry it is done, it doesn't perform a lookup. So add a DCACHE_NEED_LOOKUP flag so that the lookup code knows it still needs to run i_op->lookup() on the parent to get the inode for the dentry. I have tested this with btrfs and I went from something that looks like this http://people.redhat.com/jwhiter/ls-noreada.png To this http://people.redhat.com/jwhiter/ls-good.png Thats a savings of 1300 seconds, or 22 minutes. That is a significant savings. Thanks, Signed-off-by: NJosef Bacik <josef@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: fix file mode calculation
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: davinci: DM365 EVM: fix video input mux bits ARM: davinci: Check for NULL return from irq_alloc_generic_chip arm: davinci: Fix low level gpio irq handlers' argument
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由 Shaohua Li 提交于
I'm running a workload which triggers a lot of swap in a machine with 4 nodes. After I kill the workload, I found a kswapd livelock. Sometimes kswapd3 or kswapd2 are keeping running and I can't access filesystem, but most memory is free. This looks like a regression since commit 08951e54 ("mm: vmscan: correct check for kswapd sleeping in sleeping_prematurely"). Node 2 and 3 have only ZONE_NORMAL, but balance_pgdat() will return 0 for classzone_idx. The reason is end_zone in balance_pgdat() is 0 by default, if all zones have watermark ok, end_zone will keep 0. Later sleeping_prematurely() always returns true. Because this is an order 3 wakeup, and if classzone_idx is 0, both balanced_pages and present_pages in pgdat_balanced() are 0. We add a special case here. If a zone has no page, we think it's balanced. This fixes the livelock. Signed-off-by: NShaohua Li <shaohua.li@intel.com> Acked-by: NMel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Assume that /sys/kernel/debug/dummy64 is debugfs file created by debugfs_create_x64(). # cd /sys/kernel/debug # echo 0x1234567812345678 > dummy64 # cat dummy64 0x0000000012345678 # echo 0x80000000 > dummy64 # cat dummy64 0xffffffff80000000 A value larger than INT_MAX cannot be written to the debugfs file created by debugfs_create_u64 or debugfs_create_x64 on 32bit machine. Because simple_attr_write() uses simple_strtol() for the conversion. To fix this, use simple_strtoll() instead. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: vfs: fix race in rcu lookup of pruned dentry Fix cifs_get_root() [ Edited the last commit to get rid of a 'unused variable "seq"' warning due to Al editing the patch. - Linus ]
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由 Linus Torvalds 提交于
Don't update *inode in __follow_mount_rcu() until we'd verified that there is mountpoint there. Kudos to Hugh Dickins for catching that one in the first place and eventually figuring out the solution (and catching a braino in the earlier version of patch). Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Sage Weil 提交于
open(2) must always include one of O_RDONLY, O_WRONLY, or O_RDWR. No need for any O_APPEND special case. Passing O_WRONLY|O_RDWR is undefined according to the man page, but the Linux VFS interprets this as O_RDWR, so we'll do the same. This fixes open(2) with flags O_RDWR|O_APPEND, which was incorrectly being translated to readonly. Reported-by: NFyodor Ustinov <ufm@ufm.su> Signed-off-by: NSage Weil <sage@newdream.net>
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- 19 7月, 2011 5 次提交
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由 Jon Povey 提交于
Video input mux settings for tvp7002 and imager inputs were swapped. Comment was correct. Tested on EVM with tvp7002 input. Signed-off-by: NJon Povey <jon.povey@racelogic.co.uk> Acked-by: NManjunath Hadli <manjunath.hadli@ti.com> Cc: stable@kernel.org Signed-off-by: NSekhar Nori <nsekhar@ti.com>
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由 Todd Poynor 提交于
Avoid NULL dereference of irq_alloc_generic_chip return in low memory conditions. Signed-off-by: NTodd Poynor <toddpoynor@google.com> Signed-off-by: NSekhar Nori <nsekhar@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: pppoe: Must flush connections when MAC address changes too. include/linux/sdla.h: remove the prototype of sdla() tulip: dmfe: Remove old log spamming pr_debugs
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由 David S. Miller 提交于
Kernel bugzilla: 39252 Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 WANG Cong 提交于
`make headers_check` complains that linux-2.6/usr/include/linux/sdla.h:116: userspace cannot reference function or variable defined in the kernel this is due to that there is no such a kernel function, void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet); I don't know why we have it in a kernel header, so remove it. Signed-off-by: NWANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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