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Bryan Schumaker d1bacf9eb2 NFS: add readdir cache array 
This patch adds the readdir cache array and functions to retreive the array
stored on a cache page, clear the array by freeing allocated memory, add an
entry to the array, and search the array for a given cookie.

It then modifies readdir to make use of the new cache array.
With the new cache array method, we no longer need some of this code.

Finally, nfs_llseek_dir() will set file->f_pos to a value greater than 0 and
desc->dir_cookie to zero.  When we see this, readdir needs to find the file
at position file->f_pos from the start of the directory.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23 15:27:30 -04:00
..
9p
v9fs: fixup for inode_setattr being removed
2010-08-11 00:08:00 -04:00
adfs
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
affs
AFFS: wait for sb synchronization when needed
2010-08-09 16:48:51 -04:00
afs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
2010-08-13 10:37:30 -07:00
autofs
autofs/autofs4: Move compat_ioctl handling into fs
2010-08-09 00:13:34 +02:00
autofs4
autofs4: remove unneeded null check in try_to_fill_dentry()
2010-08-11 08:59:06 -07:00
befs
…
bfs
BFS: clean up the superblock usage
2010-08-09 16:48:53 -04:00
btrfs
Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
2010-08-10 15:22:42 -07:00
cachefiles
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
ceph
ceph: fix get_ticket_handler() error handling
2010-08-26 09:26:50 -07:00
cifs
Cannot allocate memory error on mount
2010-08-26 16:53:27 +00:00
coda
Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
2010-08-10 15:22:42 -07:00
configfs
…
cramfs
cramfs: only unlock new inodes
2010-08-18 01:01:33 -04:00
debugfs
…
devpts
…
dlm
fs/dlm: Drop unnecessary null test
2010-08-05 14:23:45 -05:00
ecryptfs
eCryptfs: Fix encrypted file name lookup regression
2010-08-27 10:50:53 -05:00
efs
…
exofs
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
2010-08-11 09:19:43 -07:00
exportfs
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ext2
mbcache: Remove unused features
2010-08-09 16:48:45 -04:00
ext3
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ext4
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
fat
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
freevxfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
fscache
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
gfs2
Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
2010-08-10 15:22:42 -07:00
hfs
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
hfsplus
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
hostfs
hostfs ->follow_link() braino
2010-08-18 06:21:10 -04:00
hpfs
switch hpfs to ->evict_inode()
2010-08-09 16:48:17 -04:00
hppfs
switch hppfs to ->evict_inode()
2010-08-09 16:48:16 -04:00
hugetlbfs
new helper: end_writeback()
2010-08-09 16:47:49 -04:00
isofs
isofs: Fix lseek() to position beyond 4 GB
2010-08-11 00:29:47 -04:00
jbd
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
jbd2
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2010-08-10 11:49:21 -07:00
jfs
jfs: don't allow os2 xattr namespace overlap with others
2010-08-10 15:33:09 -07:00
lockd
lockd: Remove BKL from the client
2010-09-22 09:50:35 -04:00
logfs
logfs: kill BKL
2010-08-14 00:24:24 +02:00
minix
switch minix to ->evict_inode(), fix write_inode/delete_inode race
2010-08-09 16:47:53 -04:00
ncpfs
Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
2010-08-10 13:58:28 -07:00
nfs
NFS: add readdir cache array
2010-10-23 15:27:30 -04:00
nfs_common
…
nfsd
Merge branch 'for-2.6.36' of git://linux-nfs.org/~bfields/linux
2010-08-28 14:05:55 -07:00
nilfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
2010-08-22 09:44:47 -07:00
nls
…
notify
fsnotify: drop two useless bools in the fnsotify main loop
2010-08-27 21:42:11 -04:00
ntfs
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
ocfs2
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
2010-08-13 10:43:50 -07:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland/omfs
2010-08-10 11:47:36 -07:00
openpromfs
…
partitions
[S390] partitions: fix build error in ibm partition detection code
2010-08-13 10:06:55 +02:00
proc
mm: fix up some user-visible effects of the stack guard page
2010-08-15 11:35:52 -07:00
qnx4
get rid of cont_write_begin_newtrunc
2010-08-09 16:47:31 -04:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ramfs
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
reiserfs
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
romfs
…
smbfs
switch smbfs to evict_inode()
2010-08-09 16:48:00 -04:00
squashfs
Squashfs: fix checkpatch.pl warnings
2010-08-08 22:29:33 +00:00
sysfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
sysv
fs/sysv/super.c: add support for non-PDP11 v7 filesystems
2010-08-11 08:59:23 -07:00
ubifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
udf
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ufs
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
xfs
xfs: do not discard page cache data on EAGAIN
2010-08-24 11:47:51 +10:00
aio.c
aio: fix wrong subsystem comments
2010-08-05 13:21:23 -07:00
anon_inodes.c
…
attr.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
bad_inode.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
…
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_script.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_som.c
…
bio-integrity.c
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bio.c
block: unify flags for struct bio and struct request
2010-08-07 18:20:39 +02:00
block_dev.c
blkdev: cgroup whitelist permission fix
2010-08-11 08:59:18 -07:00
buffer.c
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
char_dev.c
Fix init ordering of /dev/console vs callers of modprobe
2010-08-06 09:17:02 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
compat.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
dcache.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
dcookies.c
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direct-io.c
sort out blockdev_direct_IO variants
2010-08-09 16:47:29 -04:00
drop_caches.c
simplify checks for I_CLEAR/I_FREEING
2010-08-09 16:47:44 -04:00
eventfd.c
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eventpoll.c
…
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-18 09:35:08 -07:00
fcntl.c
vfs: O_* bit numbers uniqueness check
2010-08-11 08:59:02 -07:00
fifo.c
…
file_table.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
file.c
vfs: use kmalloc() to allocate fdmem if possible
2010-08-11 08:59:02 -07:00
filesystems.c
…
fs_struct.c
fs: fs_struct rwlock to spinlock
2010-08-18 08:35:46 -04:00
fs-writeback.c
mm: fix writeback_in_progress()
2010-08-12 08:43:30 -07:00
generic_acl.c
vfs: update ctime when changing the file's permission by setfacl
2010-08-18 01:04:22 -04:00
inode.c
Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify
2010-08-10 11:39:13 -07:00
internal.h
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
ioprio.c
…
Kconfig
…
Kconfig.binfmt
…
libfs.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
locks.c
…
Makefile
…
mbcache.c
mbcache: Limit the maximum number of cache entries
2010-08-18 06:24:41 -04:00
mpage.c
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namei.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
namespace.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
nfsctl.c
…
no-block.c
…
open.c
fs: cleanup files_lock locking
2010-08-18 08:35:47 -04:00
pipe.c
…
pnode.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
pnode.h
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posix_acl.c
…
read_write.c
fsnotify: pass a file instead of an inode to open, read, and write
2010-07-28 09:58:32 -04:00
read_write.h
…
readdir.c
vfs: fix warning: 'dirent' is used uninitialized in this function
2010-08-09 20:45:05 -07:00
select.c
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seq_file.c
…
signalfd.c
signalfd: fill in ssi_int for posix timers and message queues
2010-08-11 08:59:20 -07:00
splice.c
splice: fix misuse of SPLICE_F_NONBLOCK
2010-08-07 18:52:56 +02:00
stack.c
…
stat.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
statfs.c
add f_flags to struct statfs(64)
2010-08-09 16:48:44 -04:00
super.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
sync.c
get rid of file_fsync()
2010-08-09 16:47:43 -04:00
timerfd.c
…
utimes.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
xattr_acl.c
…
xattr.c
…