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Andrew Morton 81b0c87133 [PATCH] generic_file_buffered_write(): handle zero-length iovec segments ... The recent generic_file_write() deadlock fix caused generic_file_buffered_write() to loop inifinitely when presented with a zero-length iovec segment. Fix. Note that this fix deliberately avoids calling ->prepare_write(), ->commit_write() etc with a zero-length write. This is because I don't trust all filesystems to get that right. This is a cautious approach, for 2.6.17.x. For 2.6.18 we should just go ahead and call ->prepare_write() and ->commit_write() with the zero length and fix any broken filesystems. So I'll make that change once this code is stabilised and backported into 2.6.17.x. The reason for preferring to call ->prepare_write() and ->commit_write() with the zero-length segment: a zero-length segment _should_ be sufficiently uncommon that this is the correct way of handling it. We don't want to optimise for poorly-written userspace at the expense of well-written userspace. Cc: "Vladimir V. Saveliev" <vs@namesys.com> Cc: Neil Brown <neilb@suse.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Chris Wright <chrisw@sous-sol.org> Cc: Greg KH <greg@kroah.com> Cc: <stable@kernel.org> Cc: walt <wa1ter@myrealbox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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Kconfig	…
Makefile	…
bootmem.c	…
fadvise.c	…
filemap.c	[PATCH] generic_file_buffered_write(): handle zero-length iovec segments	19 years ago
filemap.h	[PATCH] generic_file_buffered_write(): handle zero-length iovec segments	19 years ago
filemap_xip.c	[PATCH] mark address_space_operations const	19 years ago
fremap.c	…
highmem.c	…
hugetlb.c	…
internal.h	…
madvise.c	…
memory.c	…
memory_hotplug.c	[PATCH] Register sysfs file for hotplugged new node	19 years ago
mempolicy.c	…
mempool.c	…
migrate.c	…
mincore.c	…
mlock.c	…
mmap.c	…
mmzone.c	…
mprotect.c	…
mremap.c	…
msync.c	…
nommu.c	…
oom_kill.c	…
page-writeback.c	[PATCH] cpu hotplug: make cpu_notifier related notifier calls __cpuinit only	19 years ago
page_alloc.c	[PATCH] pi-futex: introduce debug_check_no_locks_freed()	19 years ago
page_io.c	…
pdflush.c	…
prio_tree.c	…
readahead.c	…
rmap.c	…
shmem.c	[PATCH] mark address_space_operations const	19 years ago
slab.c	[PATCH] pi-futex: rt mutex debug	19 years ago
slob.c	…
sparse.c	[PATCH] spin/rwlock init cleanups	19 years ago
swap.c	…
swap_state.c	[PATCH] mark address_space_operations const	19 years ago
swapfile.c	…
thrash.c	…
tiny-shmem.c	…
truncate.c	…
util.c	…
vmalloc.c	…
vmscan.c	[PATCH] cpu hotplug: revert init patch submitted for 2.6.17	19 years ago