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2011-03-16Merge branch 'driver-core-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 * 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (50 commits) printk: do not mangle valid userspace syslog prefixes efivars: Add Documentation efivars: Expose efivars functionality to external drivers. efivars: Parameterize operations. efivars: Split out variable registration efivars: parameterize efivars efivars: Make efivars bin_attributes dynamic efivars: move efivars globals into struct efivars drivers:misc: ti-st: fix debugging code kref: Fix typo in kref documentation UIO: add PRUSS UIO driver support Fix spelling mistakes in Documentation/zh_CN/SubmittingPatches firmware: Fix unaligned memory accesses in dmi-sysfs firmware: Add documentation for /sys/firmware/dmi firmware: Expose DMI type 15 System Event Log firmware: Break out system_event_log in dmi-sysfs firmware: Basic dmi-sysfs support firmware: Add DMI entry types to the headers Driver core: convert platform_{get,set}_drvdata to static inline functions Translate linux-2.6/Documentation/magic-number.txt into Chinese ...
2011-03-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fix cdev leak on O_PATH final fput()
2011-03-16fix cdev leak on O_PATH final fput()Miklos Szeredi
__fput doesn't need a cdev_put() for O_PATH handles. Signed-off-by: mszeredi@suse.cz Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (33 commits) AppArmor: kill unused macros in lsm.c AppArmor: cleanup generated files correctly KEYS: Add an iovec version of KEYCTL_INSTANTIATE KEYS: Add a new keyctl op to reject a key with a specified error code KEYS: Add a key type op to permit the key description to be vetted KEYS: Add an RCU payload dereference macro AppArmor: Cleanup make file to remove cruft and make it easier to read SELinux: implement the new sb_remount LSM hook LSM: Pass -o remount options to the LSM SELinux: Compute SID for the newly created socket SELinux: Socket retains creator role and MLS attribute SELinux: Auto-generate security_is_socket_class TOMOYO: Fix memory leak upon file open. Revert "selinux: simplify ioctl checking" selinux: drop unused packet flow permissions selinux: Fix packet forwarding checks on postrouting selinux: Fix wrong checks for selinux_policycap_netpeer selinux: Fix check for xfrm selinux context algorithm ima: remove unnecessary call to ima_must_measure IMA: remove IMA imbalance checking ...
2011-03-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmwLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: GFS2: Don't use _raw version of RCU dereference GFS2: Adding missing unlock_page() GFS2: Update to AIL list locking GFS2: introduce AIL lock GFS2: fix block allocation check for fallocate GFS2: Optimize glock multiple-dequeue code GFS2: Remove potential race in flock code GFS2: Fix glock deallocation race GFS2: quota allows exceeding hard limit GFS2: deallocation performance patch GFS2: panics on quotacheck update GFS2: Improve cluster mmap scalability GFS2: Fix glock queue trace point GFS2: Post-VFS scale update for RCU path walk GFS2: Use RCU for glock hash table
2011-03-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: (46 commits) fs/9p: Make the writeback_fid owned by root fs/9p: Writeback dirty data before setattr fs/9p: call vmtruncate before setattr 9p opeation fs/9p: Properly update inode attributes on link fs/9p: Prevent multiple inclusion of same header fs/9p: Workaround vfs rename rehash bug fs/9p: Mark directory inode invalid for many directory inode operations fs/9p: Add . and .. dentry revalidation flag fs/9p: mark inode attribute invalid on rename, unlink and setattr fs/9p: Add support for marking inode attribute invalid fs/9p: Initialize root inode number for dotl fs/9p: Update link count correctly on different file system operations fs/9p: Add drop_inode 9p callback fs/9p: Add direct IO support in cached mode fs/9p: Fix inode i_size update in file_write fs/9p: set default readahead pages in cached mode fs/9p: Move writeback fid to v9fs_inode fs/9p: Add v9fs_inode fs/9p: Don't set stat.st_blocks based on nrpages fs/9p: Add inode hashing ...
2011-03-16Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds
* 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: fix build failure introduced by s/freezeable/freezable/ workqueue: add system_freezeable_wq rds/ib: use system_wq instead of rds_ib_fmr_wq net/9p: replace p9_poll_task with a work net/9p: use system_wq instead of p9_mux_wq xfs: convert to alloc_workqueue() reiserfs: make commit_wq use the default concurrency level ocfs2: use system_wq instead of ocfs2_quota_wq ext4: convert to alloc_workqueue() scsi/scsi_tgt_lib: scsi_tgtd isn't used in memory reclaim path scsi/be2iscsi,qla2xxx: convert to alloc_workqueue() misc/iwmc3200top: use system_wq instead of dedicated workqueues i2o: use alloc_workqueue() instead of create_workqueue() acpi: kacpi*_wq don't need WQ_MEM_RECLAIM fs/aio: aio_wq isn't used in memory reclaim path input/tps6507x-ts: use system_wq instead of dedicated workqueue cpufreq: use system_wq instead of dedicated workqueues wireless/ipw2x00: use system_wq instead of dedicated workqueues arm/omap: use system_wq in mailbox workqueue: use WQ_MEM_RECLAIM instead of WQ_RESCUER
2011-03-16Increase OSF partition limit from 8 to 18Linus Torvalds
It turns out that while a maximum of 8 partitions may be what people "should" have had, you can actually fit up to 18 entries(*) in a sector. And some people clearly were taking advantage of that, like Michael Cree, who had ten partitions on one of his OSF disks. (*) The OSF partition data starts at byte offset 64 in the first sector, and the array of 16-byte partition entries start at offset 148 in the on-disk partition structure. Reported-by: Michael Cree <mcree@orcon.net.nz> Cc: stable@kernel.org (v2.6.38) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-16prune back iprune_semChristoph Hellwig
iprune_sem is continously giving us lockdep warnings because we do take it in read mode in the reclaim path, but we're also doing non-NOFS allocations under it taken in write mode. Taking a bit deeper look at it I think it's fixable quite trivially: - for invalidate_inodes we do not need iprune_sem at all. We have an active reference on the superblock, so the filesystem is not going away until it has finished. - for evict_inodes we do need it, to make sure prune_icache has done it's work before we tear down the superblock. But there is no reason to hold it over the actual reclaim operation - it's enough to cycle through it after the actual reclaim to make sure we wait for any pending prune_icache to complete. We just have to remove the WARN_ON for otherwise busy inodes as they can actually happen now. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-16fix follow_link() breakageAl Viro
commit 574197e0de46a8a4db5c54ef7b65e43ffa8873a7 had a missing piece, breaking the loop detection ;-/ Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (57 commits) tidy the trailing symlinks traversal up Turn resolution of trailing symlinks iterative everywhere simplify link_path_walk() tail Make trailing symlink resolution in path_lookupat() iterative update nd->inode in __do_follow_link() instead of after do_follow_link() pull handling of one pathname component into a helper fs: allow AT_EMPTY_PATH in linkat(), limit that to CAP_DAC_READ_SEARCH Allow passing O_PATH descriptors via SCM_RIGHTS datagrams readlinkat(), fchownat() and fstatat() with empty relative pathnames Allow O_PATH for symlinks New kind of open files - "location only". ext4: Copy fs UUID to superblock ext3: Copy fs UUID to superblock. vfs: Export file system uuid via /proc/<pid>/mountinfo unistd.h: Add new syscalls numbers to asm-generic x86: Add new syscalls for x86_64 x86: Add new syscalls for x86_32 fs: Remove i_nlink check from file system link callback fs: Don't allow to create hardlink for deleted file vfs: Add open by file handle support ...
2011-03-15VFS: Fix the nfs sillyrename regression in kernel 2.6.38Trond Myklebust
The new vfs locking scheme introduced in 2.6.38 breaks NFS sillyrename because the latter relies on being able to determine the parent directory of the dentry in the ->iput() callback in order to send the appropriate unlink rpc call. Looking at the code that cares about races with dput(), there doesn't seem to be anything that specifically uses d_parent as a test for whether or not there is a race: - __d_lookup_rcu(), __d_lookup() all test for d_hashed() after d_parent - shrink_dcache_for_umount() is safe since nothing else can rearrange the dentries in that super block. - have_submount(), select_parent() and d_genocide() can test for a deletion if we set the DCACHE_DISCONNECTED flag when the dentry is removed from the parent's d_subdirs list. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org (2.6.38, needs commit c826cb7dfce8 "dcache.c: create helper function for duplicated functionality" ) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-16Merge branch 'next' into for-linusJames Morris
2011-03-15dcache.c: create helper function for duplicated functionalityLinus Torvalds
This creates a helper function for he "try to ascend into the parent directory" case, which was written out in triplicate before. With all the locking and subtle sequence number stuff, we really don't want to duplicate that kind of code. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-15tidy the trailing symlinks traversal upAl Viro
* pull the handling of current->total_link_count into __do_follow_link() * put the common "do ->put_link() if needed and path_put() the link" stuff into a helper (put_link(nd, link, cookie)) * rename __do_follow_link() to follow_link(), while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15Turn resolution of trailing symlinks iterative everywhereAl Viro
The last remaining place (resolution of nested symlink) converted to the loop of the same kind we have in path_lookupat() and path_openat(). Note that we still *do* have a recursion in pathname resolution; can't avoid it, really. However, it's strictly for nested symlinks now - i.e. ones in the middle of a pathname. link_path_walk() has lost the tail now - it always walks everything except the last component. do_follow_link() renamed to nested_symlink() and moved down. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15simplify link_path_walk() tailAl Viro
Now that link_path_walk() is called without LOOKUP_PARENT only from do_follow_link(), we can simplify the checks in last component handling. First of all, checking if we'd arrived to a directory is not needed - the caller will check it anyway. And LOOKUP_FOLLOW is guaranteed to be there, since we only get to that place with nd->depth > 0. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15Make trailing symlink resolution in path_lookupat() iterativeAl Viro
Now the only caller of link_path_walk() that does *not* pass LOOKUP_PARENT is do_follow_link() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15update nd->inode in __do_follow_link() instead of after do_follow_link()Al Viro
... and note that we only need to do it for LAST_BIND symlinks Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15pull handling of one pathname component into a helperAl Viro
new helper: walk_component(). Handles everything except symlinks; returns negative on error, 0 on success and 1 on symlinks we decided to follow. Drops out of RCU mode on such symlinks. link_path_walk() and do_last() switched to using that. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-15fs: allow AT_EMPTY_PATH in linkat(), limit that to CAP_DAC_READ_SEARCHAneesh Kumar K.V
We don't want to allow creation of private hardlinks by different application using the fd passed to them via SCM_RIGHTS. So limit the null relative name usage in linkat syscall to CAP_DAC_READ_SEARCH Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2011-03-15fs/9p: Make the writeback_fid owned by rootAneesh Kumar K.V
Changes to make sure writeback fid is owned by root Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Writeback dirty data before setattrAneesh Kumar K.V
change file attribute can result in making the file readonly. So flush the dirty pages before that. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: call vmtruncate before setattr 9p opeationAneesh Kumar K.V
We need to call vmtruncate before 9p setattr operation, otherwise we could write back some dirty pages between setattr with ATTR_SIZE and vmtruncate causing some truncated pages to be written back to server Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Properly update inode attributes on linkAneesh Kumar K.V
With caching enabled, we need to make sure we don't update inode->i_size via stat2inode because we could have dirty data which is not yet written to the server Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Prevent multiple inclusion of same headerAneesh Kumar K.V
Add necessary #ifndef #endif blocks to avoid mulitple inclusion of same headers Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Workaround vfs rename rehash bugAneesh Kumar K.V
This is similar to what ceph, ocfs2 and nfs does http://kerneltrap.org/mailarchive/linux-fsdevel/2008/4/18/1498534 May be we should get vfs fixed Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Mark directory inode invalid for many directory inode operationsAneesh Kumar K.V
One successfull directory operation we would have changed directory inode attribute. So mark them invalid Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add . and .. dentry revalidation flagAneesh Kumar K.V
We need to revalidate . and .. entries also Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: mark inode attribute invalid on rename, unlink and setattrAneesh Kumar K.V
rename, unlink and setattr can result in update of inode attribute. So mark the cached copy invalid Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add support for marking inode attribute invalidAneesh Kumar K.V
With cached mode some of the file system operation result in updating inode attributes (ctime). Add support for marking inode attribute invalid in such cases so that we fetch the updated inode attribute on dentry revalidation. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Initialize root inode number for dotlAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Update link count correctly on different file system operationsAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add drop_inode 9p callbackAneesh Kumar K.V
We want to immediately drop the inode in non cached mode Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add direct IO support in cached modeAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Fix inode i_size update in file_writeAneesh Kumar K.V
Only update inode i_size when we write towards end of file. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: set default readahead pages in cached modeAneesh Kumar K.V
We want to enable readahead in cached mode Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Move writeback fid to v9fs_inodeAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add v9fs_inodeAneesh Kumar K.V
Switch to the fscache code to v9fs_inode. We will later use v9fs_inode in cache=loose mode to track the inode cache validity timeout. Ie if we find an inode in cache older that a specific jiffie range we will consider it stale Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Don't set stat.st_blocks based on nrpagesAneesh Kumar K.V
simple_getattr does set stat.st_blocks to a value derived from nrpages. That is not correct with 9p Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add inode hashingAneesh Kumar K.V
We didn't add the inode to inode hash in 9p. We need to do that to get sync to work, otherwise __mark_inode_dirty will not add the inode to super block's dirty list. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: We need not writeback dirty pages during closeAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Implement syncfs call back for 9PfsAneesh Kumar K.V
FIXME!! what about dotu ? Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Mark file system with MS_SYNCHRONOUS only if it is not cached modeAneesh Kumar K.V
We should not mark file system synchronous if mounted cache=* option Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Clarify cached dentry delete operationAneesh Kumar K.V
Update the comment to indicate that we don't want to cache negative dentries. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add buffered write support for v9fs.Aneesh Kumar K.V
We can now support writeable mmaps. Based on the original patch from Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add fid to inode in cached modeAneesh Kumar K.V
The fid attached to inode will be opened O_RDWR mode and is used for dirty page writeback only. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: Add read write helper functionAneesh Kumar K.V
We add read write helper function here which will be used later by the mmap patch Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: [fscache] wait for page write in cached modeAneesh Kumar K.V
We need to call fscache_wait_on_page_write in launder_page for fscache Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-03-15fs/9p: increment inode->i_count in cached mode.Aneesh Kumar K.V
We need to ihold even in cached mode Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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