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Chuck Lever 412d582ec1 [PATCH] NFS: use atomic bitops to manipulate flags in nfsi->flags ... Introduce atomic bitops to manipulate the bits in the nfs_inode structure's "flags" field. Using bitops means we can use a generic wait_on_bit call instead of an ad hoc locking scheme in fs/nfs/inode.c, so we can remove the "nfs_i_wait" field from nfs_inode at the same time. The other new flags field will continue to use bitmask and logic AND and OR. This permits several flags to be set at the same time efficiently. The following patch adds a spin lock to protect these flags, and this spin lock will later cover other fields in the nfs_inode structure, amortizing the cost of using this type of serialization. Test plan: Millions of fsx ops on SMP clients. Signed-off-by: Chuck Lever <cel@netapp.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		20 years ago
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acpi	…
asm-alpha	…
asm-arm	[ARM] Add syscall stubs for inotify and ioprio system calls	20 years ago
asm-arm26	…
asm-cris	…
asm-frv	…
asm-generic	…
asm-h8300	…
asm-i386	[PATCH] i386 / desc_empty macro is incorrect	20 years ago
asm-ia64	[IA64] fix iosapic_remove build error for !HOTPLUG	20 years ago
asm-m32r	…
asm-m68k	…
asm-m68knommu	…
asm-mips	…
asm-parisc	…
asm-ppc	[PATCH] ppc32: ppc440 pagetable attributes (comments updates)	20 years ago
asm-ppc64	[PATCH] iSeries build with newer assemblers and compilers	20 years ago
asm-s390	…
asm-sh	[PATCH] sh: Make _syscall6() do the right thing.	20 years ago
asm-sh64	…
asm-sparc	…
asm-sparc64	…
asm-um	um: fix __pa/__va macro expansion problem	20 years ago
asm-v850	…
asm-x86_64	[PATCH] i386 / desc_empty macro is incorrect	20 years ago
asm-xtensa	…
linux	[PATCH] NFS: use atomic bitops to manipulate flags in nfsi->flags	20 years ago
math-emu	…
media	…
mtd	…
net	[Bluetooth] Remove unused functions and cleanup symbol exports	20 years ago
pcmcia	…
rxrpc	…
scsi	[SCSI] fix target scanning oops with fc transport class	20 years ago
sound	…
video	…