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Steven Whitehouse d1665e4142 [GFS2] Put back O_DIRECT support 
This patch adds back O_DIRECT support with various caveats
attached:

 1. Journaled data can be read via O_DIRECT since its now the
    same on disk format as normal data files.
 2. Journaled data writes with O_DIRECT will be failed sliently
    back to normal writes (should we really do this I wonder or
    should we return an error instead?)
 3. Stuffed files will be failed back to normal buffered I/O
 4. All the usual corner cases (write beyond current end of file,
    write to an unallocated block) will also revert to normal buffered I/O.

The I/O path is slightly odd as reads arrive at the page cache layer
with the lock for the file already held, but writes arrive unlocked.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-02-14 11:54:42 +00:00
..
9p
[PATCH] v9fs: add readpage support
2006-01-18 19:20:22 -08:00
adfs
[PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason
2005-11-09 07:55:57 -08:00
affs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
afs
add loglevel to printk in fs/afs/cmservice.c
2006-01-11 01:52:40 +01:00
autofs
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
autofs4
[PATCH] autofs4 oops fix
2006-01-14 18:25:19 -08:00
befs
…
bfs
…
cifs
[CIFS] Fix oops in cifs_readpages caused by not checking buf_type in an
2006-01-18 14:20:39 -08:00
coda
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
configfs
[DLM] Export config_group_find_obj for use by the DLM
2006-01-18 14:21:40 +00:00
cramfs
…
debugfs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
devfs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
devpts
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
dlm
[DLM] Update DLM to the latest patch level
2006-01-20 08:47:07 +00:00
efs
return statement cleanup - kill pointless parentheses
2006-01-15 02:37:08 +01:00
exportfs
[PATCH] exportfs: add find_acceptable_alias helper
2006-01-18 19:20:28 -08:00
ext2
[PATCH] ext2: remove d_splice_alias NULL check from ext2_lookup
2006-01-14 18:27:10 -08:00
ext3
[PATCH] ext3: remove d_splice_alias NULL check from ext3_lookup
2006-01-14 18:27:10 -08:00
fat
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
freevxfs
[PATCH] fix possible PAGE_CACHE_SHIFT overflows
2006-01-08 20:13:54 -08:00
fuse
[PATCH] fuse: fix bitfield race
2006-01-16 23:15:31 -08:00
gfs2
[GFS2] Put back O_DIRECT support
2006-02-14 11:54:42 +00:00
hfs
[PATCH] hfs: cleanup HFS prints
2006-01-18 19:20:23 -08:00
hfsplus
[PATCH] hfs: set type/creator for symlinks
2006-01-18 19:20:23 -08:00
hostfs
[PATCH] uml: hostfs - fix possible PAGE_CACHE_SHIFT overflows
2005-12-29 09:48:15 -08:00
hpfs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
hppfs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
hugetlbfs
[PATCH] Add tmpfs options for memory placement policies
2006-01-14 18:27:07 -08:00
isofs
[PATCH] isofs: remove d_splice_alias NULL check from isofs_lookup
2006-01-14 18:27:12 -08:00
jbd
[PATCH] jbd: remove_transaction fix
2006-01-18 19:20:16 -08:00
jffs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
jffs2
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
jfs
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
lockd
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
minix
…
msdos
…
ncpfs
[PATCH] ncpfs: remove kmalloc wrapper
2006-01-14 18:27:12 -08:00
nfs
[PATCH] per-mountpoint noatime/nodiratime
2006-01-10 08:01:34 -08:00
nfs_common
…
nfsd
[PATCH] knfsd: Provide missing NFSv2 part of patch for checking vfs_getattr.
2006-01-18 19:20:28 -08:00
nls
…
ntfs
[PATCH] ntfs: remove superflous MS_NOATIME/MS_NODIRATIME assignments
2006-01-10 08:01:33 -08:00
ocfs2
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
openpromfs
…
partitions
[PATCH] partitions: Read Rio Karma partition table
2006-01-16 23:15:29 -08:00
proc
[PATCH] convert /proc/devices to use seq_file interface
2006-01-14 18:25:19 -08:00
qnx4
fs/qnx4/bitmap.c: #if 0 qnx4_new_block()
2006-01-03 13:21:37 +01:00
ramfs
[PATCH] NOMMU: Provide shared-writable mmap support on ramfs
2006-01-06 08:33:32 -08:00
reiserfs
[PATCH] reiserfs: remove d_splice_alias NULL check from reiserfs_lookup
2006-01-14 18:27:12 -08:00
relayfs
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
romfs
[PATCH] fix possible PAGE_CACHE_SHIFT overflows
2006-01-08 20:13:54 -08:00
smbfs
[PATCH] smbfs: remove kmalloc wrapper
2006-01-14 18:27:13 -08:00
sysfs
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
sysv
correct email address of Manfred Spraul
2006-01-15 02:43:54 +01:00
udf
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
ufs
[PATCH] ufs cleanup
2006-01-14 10:27:32 -08:00
vfat
…
xfs
[XFS] Fix a race in xfs_submit_ioend() where we can be completing I/O for
2006-01-18 13:38:12 +11:00
aio.c
[PATCH] rcu file: use atomic primitives
2006-01-08 20:13:48 -08:00
attr.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
bad_inode.c
…
binfmt_aout.c
[PATCH] dump_thread() cleanup
2006-01-10 08:01:25 -08:00
binfmt_elf_fdpic.c
[PATCH] fs/binfmt_elf: Remove unneeded kmalloc() return value casts
2006-01-10 08:02:01 -08:00
binfmt_elf.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
binfmt_em86.c
…
binfmt_flat.c
[PATCH] uclinux: delay binfmt_flat trace
2006-01-10 09:31:27 -08:00
binfmt_misc.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
binfmt_script.c
…
binfmt_som.c
…
bio.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
block_dev.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
buffer.c
Make alloc_page_buffers() initialise buffer_heads using init_buffer(),
2006-01-17 09:02:07 +11:00
char_dev.c
[PATCH] convert /proc/devices to use seq_file interface
2006-01-14 18:25:19 -08:00
compat_ioctl.c
[PATCH] Implement ioctl emulation for the parport character device
2006-01-12 09:08:49 -08:00
compat.c
[PATCH] Fix regression added by ppoll/pselect code.
2006-01-19 22:11:31 -08:00
dcache.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
dcookies.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
direct-io.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
dnotify.c
…
dquot.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
drop_caches.c
[PATCH] drop-pagecache
2006-01-08 20:12:40 -08:00
eventpoll.c
…
exec.c
[PATCH] vfs: *at functions: core
2006-01-18 19:20:29 -08:00
fcntl.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
fifo.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
file_table.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
file.c
…
filesystems.c
…
fs-writeback.c
…
inode.c
[PATCH] per-mountpoint noatime/nodiratime
2006-01-10 08:01:34 -08:00
inotify.c
[PATCH] add missing syscall declarations
2006-01-18 19:20:22 -08:00
ioctl.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
ioprio.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
Kconfig
[DLM] The core of the DLM for GFS2/CLVM
2006-01-18 09:30:29 +00:00
Kconfig.binfmt
[PATCH] frv: suppress configuration of certain features for FRV
2006-01-08 20:13:36 -08:00
libfs.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
locks.c
[PATCH] tiny: Uninline some fslocks.c functions
2006-01-08 20:14:10 -08:00
Makefile
[DLM] The core of the DLM for GFS2/CLVM
2006-01-18 09:30:29 +00:00
mbcache.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
mpage.c
[PATCH] fix possible PAGE_CACHE_SHIFT overflows
2006-01-08 20:13:54 -08:00
namei.c
[PATCH] vfs: *at functions: core
2006-01-18 19:20:29 -08:00
namespace.c
[PATCH] add /sys/fs
2006-01-16 23:15:29 -08:00
nfsctl.c
[PATCH] EDAC: atomic scrub operations
2006-01-18 19:20:30 -08:00
open.c
[PATCH] vfs: *at functions: core
2006-01-18 19:20:29 -08:00
pipe.c
[PATCH] Unlinline a bunch of other functions
2006-01-14 18:27:06 -08:00
pnode.c
[PATCH] shared mounts: cleanup
2006-01-08 20:13:56 -08:00
pnode.h
…
posix_acl.c
…
quota_v1.c
…
quota_v2.c
[PATCH] quota: make useless quota error message informative
2006-01-14 18:27:12 -08:00
quota.c
[PATCH] capable/capability.h (fs/)
2006-01-11 18:42:13 -08:00
read_write.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
readdir.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
2006-01-09 15:59:24 -08:00
select.c
[PATCH] Add pselect/ppoll system call implementation
2006-01-18 19:20:30 -08:00
seq_file.c
…
stat.c
[PATCH] vfs: *at functions: core
2006-01-18 19:20:29 -08:00
super.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, sb->s_lock
2006-01-09 15:59:25 -08:00
xattr_acl.c
…
xattr.c
[PATCH] move xattr permission checks into the VFS
2006-01-10 08:01:29 -08:00