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NeilBrown 4508a7a734 [PATCH] sysfs: Allow sysfs attribute files to be pollable ... It works like this: Open the file Read all the contents. Call poll requesting POLLERR or POLLPRI (so select/exceptfds works) When poll returns, close the file and go to top of loop. or lseek to start of file and go back to the 'read'. Events are signaled by an object manager calling sysfs_notify(kobj, dir, attr); If the dir is non-NULL, it is used to find a subdirectory which contains the attribute (presumably created by sysfs_create_group). This has a cost of one int per attribute, one wait_queuehead per kobject, one int per open file. The name "sysfs_notify" may be confused with the inotify functionality. Maybe it would be nice to support inotify for sysfs attributes as well? This patch also uses sysfs_notify to allow /sys/block/md*/md/sync_action to be pollable Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		19 years ago
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reed_solomon	[PATCH] sem2mutex: kernel/	19 years ago
zlib_deflate	[PATCH] lib/zlib*: cleanups	19 years ago
zlib_inflate	[PATCH] lib/zlib*: cleanups	19 years ago
.gitignore	Add some basic .gitignore files	20 years ago
Kconfig	[PATCH] lib/crc16: added crc16 algorithm.	20 years ago
Kconfig.debug	[PARISC] Remove obsolete CONFIG_DEBUG_IOREMAP	19 years ago
Makefile	[PATCH] bitops: generic hweight{64,32,16,8}()	19 years ago
bitmap.c	[PATCH] bitops: hweight() related cleanup	19 years ago
bust_spinlocks.c	Linux-2.6.12-rc2	20 years ago
cmdline.c	Linux-2.6.12-rc2	20 years ago
cpumask.c	[PATCH] cpumask: uninline any_online_cpu()	19 years ago
crc-ccitt.c	Linux-2.6.12-rc2	20 years ago
crc16.c	[PATCH] lib/crc16: added crc16 algorithm.	20 years ago
crc32.c	[PATCH] crc32.c typo fix	20 years ago
crc32defs.h	Linux-2.6.12-rc2	20 years ago
ctype.c	Linux-2.6.12-rc2	20 years ago
dec_and_lock.c	[PATCH] atomic: dec_and_lock use atomic primitives	19 years ago
div64.c	Linux-2.6.12-rc2	20 years ago
dump_stack.c	Linux-2.6.12-rc2	20 years ago
errno.c	Linux-2.6.12-rc2	20 years ago
extable.c	[PATCH] powerpc: trivial: modify comments to refer to new location of files	19 years ago
find_next_bit.c	[PATCH] bitops: generic ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()	19 years ago
gen_crc32table.c	Linux-2.6.12-rc2	20 years ago
genalloc.c	[PATCH] fix broken lib/genalloc.c	19 years ago
halfmd4.c	Linux-2.6.12-rc2	20 years ago
hweight.c	[PATCH] bitops: hweight() speedup	19 years ago
idr.c	[PATCH] Whitespace and CodingStyle cleanup for lib/idr.c	20 years ago
inflate.c	[PATCH] Update in-kernel zlib routines	20 years ago
int_sqrt.c	[PATCH] lib: Fix bug in int_sqrt() for 64 bit longs	19 years ago
iomap.c	[PATCH] add Big Endian variants of ioread/iowrite	20 years ago
iomap_copy.c	[PATCH] iomap_copy fallout (m68k)	19 years ago
kernel_lock.c	[PATCH] spinlock consolidation	20 years ago
klist.c	[PATCH] klist: Fix broken kref counting in find functions	19 years ago
kobject.c	[PATCH] sysfs: Allow sysfs attribute files to be pollable	19 years ago
kobject_uevent.c	[PATCH] kobject: fix build error if CONFIG_SYSFS=n	19 years ago
kref.c	[PATCH] kref: avoid an atomic operation in kref_put()	19 years ago
libcrc32c.c	Linux-2.6.12-rc2	20 years ago
parser.c	Linux-2.6.12-rc2	20 years ago
prio_tree.c	Linux-2.6.12-rc2	20 years ago
radix-tree.c	[PATCH] radix-tree documentation cleanups	19 years ago
rbtree.c	Linux-2.6.12-rc2	20 years ago
rwsem-spinlock.c	[PATCH] use smp_mb/wmb/rmb where possible	20 years ago
rwsem.c	[PATCH] use smp_mb/wmb/rmb where possible	20 years ago
semaphore-sleepers.c	[PATCH] unify x86/x86-64 semaphore code	20 years ago
sha1.c	[PATCH] lib/sha1.c: fix sparse warning	20 years ago
smp_processor_id.c	[PATCH] fix missing includes	20 years ago
sort.c	[PATCH] fix missing includes	20 years ago
spinlock_debug.c	[PATCH] Fix spinlock debugging delays to not time out too early	19 years ago
string.c	[PATCH] Silence a const vs non-const warning	19 years ago
swiotlb.c	BUG_ON() Conversion in lib/swiotlb.c	19 years ago
textsearch.c	[PATCH] gfp_t: lib/*	20 years ago
ts_bm.c	[TEXTSEARCH]: Fix broken good shift array calculation in Boyer-Moore	19 years ago
ts_fsm.c	[PATCH] gfp flags annotations - part 1	20 years ago
ts_kmp.c	[PATCH] gfp flags annotations - part 1	20 years ago
vsprintf.c	[PATCH] fix missing includes	20 years ago