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linux-2.6
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Christoph Hellwig f4e420dc42 clean up write_begin usage for directories in pagecache 
For filesystem that implement directories in pagecache we call
block_write_begin with an already allocated page for this code, while the
normal regular file write path uses the default block_write_begin behaviour.

Get rid of the __foofs_write_begin helper and opencode the normal write_begin
call in foofs_write_begin, while adding a new foofs_prepare_chunk helper for
the directory code.  The added benefit is that foofs_prepare_chunk has
a much saner calling convention.

Note that the interruptible flag passed into block_write_begin is always
ignored if we already pass in a page (see next patch for details), and
we never were doing truncations of exessive blocks for this case either so we
can switch directly to block_write_begin_newtrunc.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 		2010-08-09 16:47:31 -04:00
..
9p 9p: Pass the correct end of buffer to p9stat_read 2010-07-27 14:52:04 -05:00
adfs get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
affs get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
afs writeback: remove writeback_inodes_wbc 2010-07-06 08:54:03 +02:00
autofs fs/: do not fallback to default_llseek() when readdir() uses BKL 2010-05-27 09:12:56 -07:00
autofs4 fs/autofs4: use memdup_user 2010-05-27 09:12:41 -07:00
befs include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
bfs rename the generic fsync implementations 2010-05-27 22:06:06 -04:00
btrfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2010-07-19 19:33:02 -07:00
cachefiles CacheFiles: Fix error handling in cachefiles_determine_cache_security() 2010-05-12 18:23:58 -07:00
ceph ceph: use complete_all and wake_up_all 2010-07-27 13:11:17 -07:00
cifs cifs: fsc should not default to "on" 2010-08-02 12:40:41 +00:00
coda drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
configfs fix setattr error handling in sysfs, configfs 2010-06-04 17:16:29 -04:00
cramfs
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debugfs Add x64 support to debugfs 2010-05-19 22:41:57 -04:00
devpts Simplify devpts_get_sb() failure exits 2010-05-21 18:31:12 -04:00
dlm dlm: fix ast ordering for user locks 2010-04-30 14:52:51 -05:00
ecryptfs ecryptfs: Bugfix for error related to ecryptfs_hash_buckets 2010-07-28 19:59:24 -07:00
efs
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exofs drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
exportfs
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ext2 clean up write_begin usage for directories in pagecache 2010-08-09 16:47:31 -04:00
ext3 sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
ext4 sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
fat get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
freevxfs fs/: do not fallback to default_llseek() when readdir() uses BKL 2010-05-27 09:12:56 -07:00
fscache FS-Cache: Remove unneeded null checks 2010-06-01 13:32:11 -07:00
fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 2010-05-30 09:16:14 -07:00
gfs2 sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
hfs get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
hfsplus get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
hostfs Deal with missing exports for hostfs 2010-08-09 16:47:25 -04:00
hpfs get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
hppfs missing include in hppfs 2010-08-09 16:47:26 -04:00
hugetlbfs rename the generic fsync implementations 2010-05-27 22:06:06 -04:00
isofs fs/: do not fallback to default_llseek() when readdir() uses BKL 2010-05-27 09:12:56 -07:00
jbd ext3: Fix waiting on transaction during fsync 2010-05-21 19:30:41 +02:00
jbd2 jbd2/ocfs2: Fix block checksumming when a buffer is used in several transactions 2010-07-15 15:17:47 -07:00
jffs2 Fix up trivial spelling errors ('taht' -> 'that') 2010-07-21 09:25:42 -07:00
jfs get rid of nobh_write_begin_newtrunc 2010-08-09 16:47:30 -04:00
lockd include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
logfs fix leak in __logfs_create() 2010-08-09 16:47:28 -04:00
minix clean up write_begin usage for directories in pagecache 2010-08-09 16:47:31 -04:00
ncpfs drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
nfs NFS: Fix a typo in include/linux/nfs_fs.h 2010-08-01 15:10:01 -07:00
nfs_common include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
nfsd Merge branch 'for-2.6.35' of git://linux-nfs.org/~bfields/linux 2010-06-09 12:43:04 -07:00
nilfs2 clean up write_begin usage for directories in pagecache 2010-08-09 16:47:31 -04:00
nls
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notify Saner locking around deactivate_super() 2010-05-21 18:31:14 -04:00
ntfs drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
ocfs2 sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
omfs rename the generic fsync implementations 2010-05-27 22:06:06 -04:00
openpromfs
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partitions [S390] dasd: use correct label location for diag fba disks 2010-07-19 09:22:50 +02:00
proc CRED: Fix get_task_cred() and task_state() to not resurrect dead credentials 2010-07-29 15:16:17 -07:00
qnx4 get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
quota mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
ramfs fs: convert simple fs to new truncate 2010-05-27 22:15:47 -04:00
reiserfs sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
romfs
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smbfs kill spurious reference to vmtruncate 2010-05-27 22:15:42 -04:00
squashfs squashfs: fix name reading in squashfs_xattr_get 2010-05-23 08:27:42 +01:00
sysfs sysfs: allow creating symlinks from untagged to tagged directories 2010-07-26 12:02:41 -07:00
sysv clean up write_begin usage for directories in pagecache 2010-08-09 16:47:31 -04:00
ubifs mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
udf Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-05-30 09:11:11 -07:00
ufs clean up write_begin usage for directories in pagecache 2010-08-09 16:47:31 -04:00
xfs sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2010-03-19 09:43:06 -07:00
Kconfig.binfmt
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Makefile Take statfs variants to fs/statfs.c 2010-05-21 18:31:17 -04:00
aio.c get rid of the magic around f_count in aio 2010-05-27 22:03:07 -04:00
anon_inodes.c Revert "anon_inode: set S_IFREG on the anon_inode" 2010-05-27 22:03:05 -04:00
attr.c fs: introduce new truncate sequence 2010-05-27 22:15:33 -04:00
bad_inode.c drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
binfmt_aout.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
binfmt_elf.c coredump: pass mm->flags as a coredump parameter for consistency 2010-03-06 11:26:46 -08:00
binfmt_elf_fdpic.c binfmt_elf_fdpic: Fix clear_user() error handling 2010-06-01 08:11:06 -07:00
binfmt_em86.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
binfmt_flat.c flat: tweak default stack alignment 2010-06-29 15:29:31 -07:00
binfmt_misc.c
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binfmt_script.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
binfmt_som.c
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bio-integrity.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
bio.c Merge branch 'master' into for-linus 2010-03-19 08:05:10 +01:00
block_dev.c sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
buffer.c get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
char_dev.c
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compat.c fs/compat_rw_copy_check_uvector: add missing compat_ptr call 2010-06-04 15:21:44 -07:00
compat_binfmt_elf.c elf coredump: replace ELF_CORE_EXTRA_* macros by functions 2010-03-06 11:26:45 -08:00
compat_ioctl.c pktcdvd: improve BKL and compat_ioctl.c usage 2010-04-29 08:44:37 -07:00
dcache.c mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
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 new helper: iterate_supers() 2010-05-21 18:31:16 -04:00
eventfd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
eventpoll.c sched, wait: Use wrapper functions 2010-05-11 17:43:58 +02:00
exec.c exit: avoid sig->count in de_thread/__exit_signal synchronization 2010-05-27 09:12:46 -07:00
fcntl.c fs/fcntl.c:kill_fasync_rcu() fa_lock must be IRQ-safe 2010-06-29 15:29:32 -07:00
fifo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
file.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
file_table.c get rid of the magic around f_count in aio 2010-05-27 22:03:07 -04:00
filesystems.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fs-writeback.c writeback: simplify the write back thread queue 2010-07-06 08:59:53 +02:00
fs_struct.c
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generic_acl.c fs: xattr_handler table should be const 2010-05-21 18:31:18 -04:00
inode.c mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
internal.h Bury __put_super_and_need_restart() 2010-05-21 18:31:16 -04:00
ioctl.c Introduce freeze_super and thaw_super for the fsfreeze ioctl 2010-05-21 18:31:18 -04:00
ioprio.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
libfs.c wrong type for 'magic' argument in simple_fill_super() 2010-06-04 17:16:28 -04:00
locks.c Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
mbcache.c mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
mpage.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
namei.c VFS: fix recent breakage of FS_REVAL_DOT 2010-05-27 22:03:06 -04:00
namespace.c Merge branch 'next' into for-linus 2010-05-18 08:57:00 +10:00
nfsctl.c Switch may_open() and break_lease() to passing O_... 2010-03-03 13:00:21 -05:00
no-block.c
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open.c Take statfs variants to fs/statfs.c 2010-05-21 18:31:17 -04:00
pipe.c pipe: fix check in "set size" fcntl 2010-06-10 19:08:34 +02:00
pnode.c Kill CL_PROPAGATION, sanitize fs/pnode.c:get_source() 2010-03-03 13:00:22 -05:00
pnode.h VFS: Clean up shared mount flag propagation 2010-03-03 14:07:55 -05:00
posix_acl.c
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read_write.c vfs: introduce noop_llseek() 2010-05-27 09:12:56 -07:00
read_write.h
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readdir.c
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select.c Add generic sys_old_select() 2010-03-12 15:52:32 -08:00
seq_file.c seq_file: fix new kernel-doc warnings 2010-03-07 15:48:26 -08:00
signalfd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
splice.c splice: check f_mode for seekable file 2010-06-30 08:12:37 +02:00
stack.c
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stat.c
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statfs.c Take statfs variants to fs/statfs.c 2010-05-21 18:31:17 -04:00
super.c fs: fix superblock iteration race 2010-06-29 10:38:22 -07:00
sync.c Merge branch 'master' into for-linus 2010-06-01 12:42:12 +02:00
timerfd.c fs/timerfd.c: make use of wait_event_interruptible_locked_irq() 2010-05-20 13:21:42 -07:00
utimes.c
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xattr.c fs: xattr_handler table should be const 2010-05-21 18:31:18 -04:00
xattr_acl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00