N: Jesper Juhl
E: jesper.juhl@gmail.com
- D: Various fixes, cleanups and minor features.
+ D: Various fixes, cleanups and minor features all over the tree.
+ D: Wrote initial version of the hdaps driver (since passed on to others).
S: Lemnosvej 1, 3.tv
S: 2300 Copenhagen S.
S: Denmark
S: United Kingdom
N: Ian S. Nelson
- E: ian.nelson@echostar.com
+ E: nelsonis@earthlink.net
+ P: 1024D/00D3D983 3EFD 7B86 B888 D7E2 29B6 9E97 576F 1B97 00D3 D983
D: Minor mmap and ide hacks
S: 1370 Atlantis Ave.
S: Lafayette CO, 80026
S: USA
N: Steven Whitehouse
-E: SteveW@ACM.org
+E: steve@chygwyn.com
W: http://www.chygwyn.com/~steve
-D: Linux DECnet project: http://www.sucs.swan.ac.uk/~rohan/DECnet/index.html
+D: Linux DECnet project
D: Minor debugging of other networking protocols.
-D: Misc bug fixes and filesystem development
+D: Misc bug fixes and GFS2 filesystem development
N: Hans-Joachim Widmaier
E: hjw@zvw.de
BLOCK LAYER
P: Jens Axboe
- M: axboe@suse.de
+ M: axboe@kernel.dk
L: linux-kernel@vger.kernel.org
T: git kernel.org:/pub/scm/linux/kernel/git/axboe/linux-2.6-block.git
S: Maintained
M: Douglas_Warzecha@dell.com
S: Maintained
- DEVICE-MAPPER
+ DEVICE-MAPPER (LVM)
P: Alasdair Kergon
L: dm-devel@redhat.com
W: http://sources.redhat.com/dm
L: linux-kernel@vger.kernel.org
S: Maintained
+DISTRIBUTED LOCK MANAGER
+P: Patrick Caulfield
+M: pcaulfie@redhat.com
+P: David Teigland
+M: teigland@redhat.com
+L: cluster-devel@redhat.com
+W: http://sources.redhat.com/cluster/
+T: git kernel.org:/pub/scm/linux/kernel/git/steve/gfs-2.6.git
+S: Supported
+
DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER
P: Tobias Ringstrom
M: tori@unhappy.mine.nu
W: http://www.kernel.org/pub/linux/utils/net/hdlc/
S: Maintained
+GFS2 FILE SYSTEM
+P: Steven Whitehouse
+M: swhiteho@redhat.com
+L: cluster-devel@redhat.com
+W: http://sources.redhat.com/cluster/
+T: git kernel.org:/pub/scm/linux/kernel/git/steve/gfs-2.6.git
+S: Supported
+
GIGASET ISDN DRIVERS
P: Hansjoerg Lipp
M: hjlipp@web.de
IDE/ATAPI CDROM DRIVER
P: Jens Axboe
- M: axboe@suse.de
+ M: axboe@kernel.dk
L: linux-kernel@vger.kernel.org
W: http://www.kernel.dk
S: Maintained
L: linux-kernel@vger.kernel.org
S: Maintained
- IEEE 1394 ETHERNET (eth1394)
- L: linux1394-devel@lists.sourceforge.net
- W: http://www.linux1394.org/
- S: Orphan
-
IEEE 1394 SUBSYSTEM
P: Ben Collins
M: bcollins@debian.org
- P: Jody McIntyre
- M: scjody@modernduck.com
+ P: Stefan Richter
+ M: stefanr@s5r6.in-berlin.de
L: linux1394-devel@lists.sourceforge.net
W: http://www.linux1394.org/
- T: git kernel.org:/pub/scm/linux/kernel/git/scjody/ieee1394.git
+ T: git kernel.org:/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6.git
S: Maintained
- IEEE 1394 OHCI DRIVER
- P: Ben Collins
- M: bcollins@debian.org
- P: Jody McIntyre
- M: scjody@modernduck.com
+ IEEE 1394 IPV4 DRIVER (eth1394)
+ P: Stefan Richter
+ M: stefanr@s5r6.in-berlin.de
L: linux1394-devel@lists.sourceforge.net
- W: http://www.linux1394.org/
- S: Maintained
+ S: Odd Fixes
IEEE 1394 PCILYNX DRIVER
P: Jody McIntyre
M: scjody@modernduck.com
+ P: Stefan Richter
+ M: stefanr@s5r6.in-berlin.de
L: linux1394-devel@lists.sourceforge.net
- W: http://www.linux1394.org/
- S: Maintained
+ S: Odd Fixes
IEEE 1394 RAW I/O DRIVER
P: Ben Collins
P: Dan Dennedy
M: dan@dennedy.org
L: linux1394-devel@lists.sourceforge.net
- W: http://www.linux1394.org/
- S: Maintained
-
- IEEE 1394 SBP2
- P: Ben Collins
- M: bcollins@debian.org
- P: Stefan Richter
- M: stefanr@s5r6.in-berlin.de
- L: linux1394-devel@lists.sourceforge.net
- W: http://www.linux1394.org/
S: Maintained
IMS TWINTURBO FRAMEBUFFER DRIVER
W: http://www.linux-ax25.org/
S: Maintained
- NETWORK BLOCK DEVICE
+ NETWORK BLOCK DEVICE (NBD)
P: Paul Clements
M: Paul.Clements@steeleye.com
S: Maintained
SCSI CDROM DRIVER
P: Jens Axboe
- M: axboe@suse.de
+ M: axboe@kernel.dk
L: linux-scsi@vger.kernel.org
W: http://www.kernel.dk
S: Maintained
L: linux-kernel@vger.kernel.org ?
S: Supported
+ SPIDERNET NETWORK DRIVER for CELL
+ P: Jim Lewis
+ M: jim@jklewis.com
+ L: netdev@vger.kernel.org
+ S: Supported
+
SRM (Alpha) environment access
P: Jan-Benedict Glaw
M: jbglaw@lug-owl.de
SUPERH (sh)
P: Paul Mundt
M: lethal@linux-sh.org
- P: Kazumoto Kojima
- M: kkojima@rr.iij4u.or.jp
- L: linuxsh-dev@lists.sourceforge.net
+ L: linuxsh-dev@lists.sourceforge.net (subscribers-only)
W: http://www.linux-sh.org
W: http://www.m17n.org/linux-sh/
- W: http://www.rr.iij4u.or.jp/~kkojima/linux-sh4.html
S: Maintained
SUPERH64 (sh64)
UNIFORM CDROM DRIVER
P: Jens Axboe
- M: axboe@suse.de
+ M: axboe@kernel.dk
L: linux-kernel@vger.kernel.org
W: http://www.kernel.dk
S: Maintained
T: git kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb.git
S: Maintained
+ VT1211 HARDWARE MONITOR DRIVER
+ P: Juerg Haefliger
+ M: juergh@gmail.com
+ L: lm-sensors@lm-sensors.org
+ S: Maintained
+
VT8231 HARDWARE MONITOR DRIVER
P: Roger Lucas
M: roger@planbit.co.uk
menu "File systems"
+ if BLOCK
+
config EXT2_FS
tristate "Second extended fs support"
help
default n
source "fs/xfs/Kconfig"
+source "fs/gfs2/Kconfig"
config OCFS2_FS
tristate "OCFS2 file system support"
If you don't know whether you need it, then you don't need it:
answer N.
+ endif
+
config INOTIFY
bool "Inotify file change notification support"
default y
If you want to develop a userspace FS, or if you want to use
a filesystem based on FUSE, answer Y or M.
+ if BLOCK
menu "CD-ROM/DVD Filesystems"
config ISO9660_FS
depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
endmenu
+ endif
+ if BLOCK
menu "DOS/FAT/NT Filesystems"
config FAT_FS
It is perfectly safe to say N here.
endmenu
+ endif
menu "Pseudo filesystems"
See <file:Documentation/filesystems/tmpfs.txt> for details.
+ config TMPFS_POSIX_ACL
+ bool "Tmpfs POSIX Access Control Lists"
+ depends on TMPFS
+ select GENERIC_ACL
+ help
+ POSIX Access Control Lists (ACLs) support permissions for users and
+ groups beyond the owner/group/world scheme.
+
+ To learn more about Access Control Lists, visit the POSIX ACLs for
+ Linux website <http://acl.bestbits.at/>.
+
+ If you don't know what Access Control Lists are, say N.
+
config HUGETLBFS
bool "HugeTLB file system support"
depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
config ADFS_FS
tristate "ADFS file system support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
help
The Acorn Disc Filing System is the standard file system of the
RiscOS operating system which runs on Acorn's ARM-based Risc PC
config AFFS_FS
tristate "Amiga FFS file system support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
help
The Fast File System (FFS) is the common file system used on hard
disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y
config HFS_FS
tristate "Apple Macintosh file system support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
select NLS
help
If you say Y here, you will be able to mount Macintosh-formatted
config HFSPLUS_FS
tristate "Apple Extended HFS file system support"
+ depends on BLOCK
select NLS
select NLS_UTF8
help
config BEFS_FS
tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
select NLS
help
The BeOS File System (BeFS) is the native file system of Be, Inc's
config BFS_FS
tristate "BFS file system support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
help
Boot File System (BFS) is a file system used under SCO UnixWare to
allow the bootloader access to the kernel image and other important
config EFS_FS
tristate "EFS file system support (read only) (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
help
EFS is an older file system used for non-ISO9660 CD-ROMs and hard
disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
config JFFS_FS
tristate "Journalling Flash File System (JFFS) support"
- depends on MTD
+ depends on MTD && BLOCK
help
JFFS is the Journaling Flash File System developed by Axis
Communications in Sweden, aimed at providing a crash/powerdown-safe
config CRAMFS
tristate "Compressed ROM file system support (cramfs)"
+ depends on BLOCK
select ZLIB_INFLATE
help
Saying Y here includes support for CramFs (Compressed ROM File
config VXFS_FS
tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
+ depends on BLOCK
help
FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
file system format. VERITAS VxFS(TM) is the standard file system
config HPFS_FS
tristate "OS/2 HPFS file system support"
+ depends on BLOCK
help
OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
is the file system used for organizing files on OS/2 hard disk
config QNX4FS_FS
tristate "QNX4 file system support (read only)"
+ depends on BLOCK
help
This is the file system used by the real-time operating systems
QNX 4 and QNX 6 (the latter is also called QNX RTP).
config SYSV_FS
tristate "System V/Xenix/V7/Coherent file system support"
+ depends on BLOCK
help
SCO, Xenix and Coherent are commercial Unix systems for Intel
machines, and Version 7 was used on the DEC PDP-11. Saying Y
config UFS_FS
tristate "UFS file system support (read only)"
+ depends on BLOCK
help
BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
OpenBSD and NeXTstep) use a file system called UFS. Some System V
If unsure, say N.
+ config GENERIC_ACL
+ bool
+ select FS_POSIX_ACL
+
endmenu
+ if BLOCK
menu "Partition Types"
source "fs/partitions/Kconfig"
endmenu
+ endif
source "fs/nls/Kconfig"
+source "fs/dlm/Kconfig"
endmenu
# Rewritten to use lists instead of if-statements.
#
- obj-y := open.o read_write.o file_table.o buffer.o bio.o super.o \
- block_dev.o char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \
+ obj-y := open.o read_write.o file_table.o super.o \
+ char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \
ioctl.o readdir.o select.o fifo.o locks.o dcache.o inode.o \
attr.o bad_inode.o file.o filesystems.o namespace.o aio.o \
- seq_file.o xattr.o libfs.o fs-writeback.o mpage.o direct-io.o \
- ioprio.o pnode.o drop_caches.o splice.o sync.o
+ seq_file.o xattr.o libfs.o fs-writeback.o \
+ pnode.o drop_caches.o splice.o sync.o utimes.o
+
+ ifeq ($(CONFIG_BLOCK),y)
+ obj-y += buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o
+ else
+ obj-y += no-block.o
+ endif
obj-$(CONFIG_INOTIFY) += inotify.o
obj-$(CONFIG_INOTIFY_USER) += inotify_user.o
obj-$(CONFIG_FS_MBCACHE) += mbcache.o
obj-$(CONFIG_FS_POSIX_ACL) += posix_acl.o xattr_acl.o
obj-$(CONFIG_NFS_COMMON) += nfs_common/
+ obj-$(CONFIG_GENERIC_ACL) += generic_acl.o
obj-$(CONFIG_QUOTA) += dquot.o
obj-$(CONFIG_QFMT_V1) += quota_v1.o
obj-y += devpts/
obj-$(CONFIG_PROFILING) += dcookies.o
+obj-$(CONFIG_DLM) += dlm/
# Do not add any filesystems before this line
obj-$(CONFIG_REISERFS_FS) += reiserfs/
obj-$(CONFIG_HPPFS) += hppfs/
obj-$(CONFIG_DEBUG_FS) += debugfs/
obj-$(CONFIG_OCFS2_FS) += ocfs2/
+obj-$(CONFIG_GFS2_FS) += gfs2/
header-y += comstats.h
header-y += consolemap.h
header-y += cycx_cfm.h
+header-y += dlm_device.h
header-y += dm-ioctl.h
header-y += dn.h
header-y += dqblk_v1.h
header-y += fadvise.h
header-y += fd.h
header-y += fdreg.h
+ header-y += fib_rules.h
header-y += ftape-header-segment.h
header-y += ftape-vendors.h
header-y += fuse.h
header-y += i2c-dev.h
header-y += i8k.h
header-y += icmp.h
+ header-y += if_addr.h
header-y += if_arcnet.h
header-y += if_arp.h
header-y += if_bonding.h
header-y += if.h
header-y += if_hippi.h
header-y += if_infiniband.h
+ header-y += if_link.h
header-y += if_packet.h
header-y += if_plip.h
header-y += if_ppp.h
header-y += jffs2.h
header-y += keyctl.h
header-y += limits.h
+header-y += lock_dlm_plock.h
header-y += magic.h
header-y += major.h
header-y += matroxfb.h
header-y += mqueue.h
header-y += mtio.h
header-y += ncp_no.h
+ header-y += neighbour.h
header-y += netfilter_arp.h
header-y += netrom.h
header-y += nfs2.h
unifdef-y += dccp.h
unifdef-y += dirent.h
unifdef-y += divert.h
+unifdef-y += dlm.h
unifdef-y += elfcore.h
unifdef-y += errno.h
unifdef-y += errqueue.h
unifdef-y += gameport.h
unifdef-y += generic_serial.h
unifdef-y += genhd.h
+unifdef-y += gfs2_ondisk.h
unifdef-y += hayesesp.h
unifdef-y += hdlcdrv.h
unifdef-y += hdlc.h
unifdef-y += i2c.h
unifdef-y += i2o-dev.h
unifdef-y += icmpv6.h
+unifdef-y += iflags.h
unifdef-y += if_bridge.h
unifdef-y += if_ec.h
unifdef-y += if_eql.h
* that can use the page cache directly.
*/
ssize_t
- __generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
+ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
{
struct file *filp = iocb->ki_filp;
ssize_t retval;
unsigned long seg;
size_t count;
+ loff_t *ppos = &iocb->ki_pos;
count = 0;
for (seg = 0; seg < nr_segs; seg++) {
/* coalesce the iovecs and go direct-to-BIO for O_DIRECT */
if (filp->f_flags & O_DIRECT) {
- loff_t pos = *ppos, size;
+ loff_t size;
struct address_space *mapping;
struct inode *inode;
if (retval > 0)
*ppos = pos + retval;
}
- file_accessed(filp);
- goto out;
+ if (likely(retval != 0)) {
+ file_accessed(filp);
+ goto out;
+ }
}
retval = 0;
out:
return retval;
}
- EXPORT_SYMBOL(__generic_file_aio_read);
-
- ssize_t
- generic_file_aio_read(struct kiocb *iocb, char __user *buf, size_t count, loff_t pos)
- {
- struct iovec local_iov = { .iov_base = buf, .iov_len = count };
-
- BUG_ON(iocb->ki_pos != pos);
- return __generic_file_aio_read(iocb, &local_iov, 1, &iocb->ki_pos);
- }
EXPORT_SYMBOL(generic_file_aio_read);
- ssize_t
- generic_file_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
- {
- struct iovec local_iov = { .iov_base = buf, .iov_len = count };
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- ret = __generic_file_aio_read(&kiocb, &local_iov, 1, ppos);
- if (-EIOCBQUEUED == ret)
- ret = wait_on_sync_kiocb(&kiocb);
- return ret;
- }
- EXPORT_SYMBOL(generic_file_read);
-
int file_send_actor(read_descriptor_t * desc, struct page *page, unsigned long offset, unsigned long size)
{
ssize_t written;
* accessible..
*/
if (area->vm_mm == current->mm)
- return NULL;
+ return NOPAGE_SIGBUS;
/* Fall through to the non-read-ahead case */
no_cached_page:
/*
*/
if (error == -ENOMEM)
return NOPAGE_OOM;
- return NULL;
+ return NOPAGE_SIGBUS;
page_not_uptodate:
if (!did_readaround) {
*/
shrink_readahead_size_eio(file, ra);
page_cache_release(page);
- return NULL;
+ return NOPAGE_SIGBUS;
}
EXPORT_SYMBOL(filemap_nopage);
if (unlikely(*pos + *count > inode->i_sb->s_maxbytes))
*count = inode->i_sb->s_maxbytes - *pos;
} else {
+ #ifdef CONFIG_BLOCK
loff_t isize;
if (bdev_read_only(I_BDEV(inode)))
return -EPERM;
if (*pos + *count > isize)
*count = isize - *pos;
+ #else
+ return -EPERM;
+ #endif
}
return 0;
}
current->backing_dev_info = NULL;
return written ? written : err;
}
- EXPORT_SYMBOL(generic_file_aio_write_nolock);
- ssize_t
- generic_file_aio_write_nolock(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
+ ssize_t generic_file_aio_write_nolock(struct kiocb *iocb,
+ const struct iovec *iov, unsigned long nr_segs, loff_t pos)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
ssize_t ret;
- loff_t pos = *ppos;
- ret = __generic_file_aio_write_nolock(iocb, iov, nr_segs, ppos);
+ BUG_ON(iocb->ki_pos != pos);
+
+ ret = __generic_file_aio_write_nolock(iocb, iov, nr_segs,
+ &iocb->ki_pos);
if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
- int err;
+ ssize_t err;
err = sync_page_range_nolock(inode, mapping, pos, ret);
if (err < 0)
}
return ret;
}
+ EXPORT_SYMBOL(generic_file_aio_write_nolock);
- static ssize_t
- __generic_file_write_nolock(struct file *file, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
- {
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, file);
- ret = __generic_file_aio_write_nolock(&kiocb, iov, nr_segs, ppos);
- if (ret == -EIOCBQUEUED)
- ret = wait_on_sync_kiocb(&kiocb);
- return ret;
- }
-
- ssize_t
- generic_file_write_nolock(struct file *file, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
- {
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, file);
- ret = generic_file_aio_write_nolock(&kiocb, iov, nr_segs, ppos);
- if (-EIOCBQUEUED == ret)
- ret = wait_on_sync_kiocb(&kiocb);
- return ret;
- }
- EXPORT_SYMBOL(generic_file_write_nolock);
-
- ssize_t generic_file_aio_write(struct kiocb *iocb, const char __user *buf,
- size_t count, loff_t pos)
+ ssize_t generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
ssize_t ret;
- struct iovec local_iov = { .iov_base = (void __user *)buf,
- .iov_len = count };
BUG_ON(iocb->ki_pos != pos);
mutex_lock(&inode->i_mutex);
- ret = __generic_file_aio_write_nolock(iocb, &local_iov, 1,
- &iocb->ki_pos);
+ ret = __generic_file_aio_write_nolock(iocb, iov, nr_segs,
+ &iocb->ki_pos);
mutex_unlock(&inode->i_mutex);
if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
}
EXPORT_SYMBOL(generic_file_aio_write);
- ssize_t generic_file_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
- {
- struct address_space *mapping = file->f_mapping;
- struct inode *inode = mapping->host;
- ssize_t ret;
- struct iovec local_iov = { .iov_base = (void __user *)buf,
- .iov_len = count };
-
- mutex_lock(&inode->i_mutex);
- ret = __generic_file_write_nolock(file, &local_iov, 1, ppos);
- mutex_unlock(&inode->i_mutex);
-
- if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
- ssize_t err;
-
- err = sync_page_range(inode, mapping, *ppos - ret, ret);
- if (err < 0)
- ret = err;
- }
- return ret;
- }
- EXPORT_SYMBOL(generic_file_write);
-
- ssize_t generic_file_readv(struct file *filp, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
- {
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- ret = __generic_file_aio_read(&kiocb, iov, nr_segs, ppos);
- if (-EIOCBQUEUED == ret)
- ret = wait_on_sync_kiocb(&kiocb);
- return ret;
- }
- EXPORT_SYMBOL(generic_file_readv);
-
- ssize_t generic_file_writev(struct file *file, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos)
- {
- struct address_space *mapping = file->f_mapping;
- struct inode *inode = mapping->host;
- ssize_t ret;
-
- mutex_lock(&inode->i_mutex);
- ret = __generic_file_write_nolock(file, iov, nr_segs, ppos);
- mutex_unlock(&inode->i_mutex);
-
- if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
- int err;
-
- err = sync_page_range(inode, mapping, *ppos - ret, ret);
- if (err < 0)
- ret = err;
- }
- return ret;
- }
- EXPORT_SYMBOL(generic_file_writev);
-
/*
* Called under i_mutex for writes to S_ISREG files. Returns -EIO if something
* went wrong during pagecache shootdown.
}
return retval;
}
+
+ /**
+ * try_to_release_page() - release old fs-specific metadata on a page
+ *
+ * @page: the page which the kernel is trying to free
+ * @gfp_mask: memory allocation flags (and I/O mode)
+ *
+ * The address_space is to try to release any data against the page
+ * (presumably at page->private). If the release was successful, return `1'.
+ * Otherwise return zero.
+ *
+ * The @gfp_mask argument specifies whether I/O may be performed to release
+ * this page (__GFP_IO), and whether the call may block (__GFP_WAIT).
+ *
+ * NOTE: @gfp_mask may go away, and this function may become non-blocking.
+ */
+ int try_to_release_page(struct page *page, gfp_t gfp_mask)
+ {
+ struct address_space * const mapping = page->mapping;
+
+ BUG_ON(!PageLocked(page));
+ if (PageWriteback(page))
+ return 0;
+
+ if (mapping && mapping->a_ops->releasepage)
+ return mapping->a_ops->releasepage(page, gfp_mask);
+ return try_to_free_buffers(page);
+ }
+
+ EXPORT_SYMBOL(try_to_release_page);
git.openpandora.org / pandora-kernel.git / commitdiff