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Miklos Szeredi d139d7ffd0 VFS: allow filesystems to implement atomic open+truncate 
Add a new attribute flag ATTR_OPEN, with the meaning: "truncation was
initiated by open() due to the O_TRUNC flag".

This way filesystems wanting to implement truncation within their ->open()
method can ignore such truncate requests.

This is a quick & dirty hack, but it comes for free.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-10-18 14:37:30 -07:00
..
acpi ACPI: CONFIG_ACPI_SLEEP=n power off regression in 2.6.23-rc8 (NOT in rc7) 2007-09-25 17:58:52 -04:00
asm-alpha alpha: lock bitops 2007-10-18 14:37:29 -07:00
asm-arm bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-arm26 softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-avr32 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-blackfin bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-cris bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-frv bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-generic bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-h8300 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-ia64 ia64: lock bitops 2007-10-18 14:37:29 -07:00
asm-m32r bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-m68k bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-m68knommu bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-mips mips: lock bitops 2007-10-18 14:37:29 -07:00
asm-parisc bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-powerpc powerpc: lock bitops 2007-10-18 14:37:29 -07:00
asm-ppc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2007-10-17 09:05:55 -07:00
asm-s390 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-sh bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-sh64 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-sparc bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-sparc64 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-um x86: rename .i assembler includes to .h 2007-10-17 20:16:29 +02:00
asm-v850 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-x86 bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
asm-xtensa bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
crypto [CRYPTO] sha: Add header file for SHA definitions 2007-10-10 16:55:50 -07:00
keys KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
linux VFS: allow filesystems to implement atomic open+truncate 2007-10-18 14:37:30 -07:00
math-emu Fix <math-emu/soft-fp.h> tpyo 2007-08-18 17:15:17 -07:00
media v4l: copy_to_user() is not a good method name 2007-10-13 09:58:59 -07:00
mtd UBI: kill homegrown endian macros 2007-07-18 16:53:49 +03:00
net 9p: remove sysctl 2007-10-17 14:35:15 -05:00
pcmcia pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices 2007-10-16 09:42:50 -07:00
rdma IB/cm: Modify interface to send MRAs in response to duplicate messages 2007-10-09 19:59:17 -07:00
rxrpc
…
scsi do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00
sound [ALSA] version 1.0.15 2007-10-16 16:57:46 +02:00
video pm2fb: hardware cursor support for the Permedia2 2007-10-16 09:43:18 -07:00
xen xen: fix incorrect vcpu_register_vcpu_info hypercall argument 2007-10-16 11:51:31 -07:00
Kbuild do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00