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path: root/fs/xfs/linux-2.6
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2006-09-07[XFS] Fix xfs_splice_write() so appended data gets to disk.David Chinner
xfs_splice_write() failed to update the on disk inode size when extending the so when the file was closed the range extended by splice was truncated off. Hence any region of a file written to by splice would end up as a hole full of zeros. SGI-PV: 955939 SGI-Modid: xfs-linux-melb:xfs-kern:26920a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: David Chatterton <chatz@sgi.com>
2006-09-07[XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid callingLachlan McIlroy
__blockdev_direct_IO for the DIO_OWN_LOCKING case for direct I/O reads since it drops and reacquires the i_mutex while holding the iolock and this violates the locking order. SGI-PV: 955696 SGI-Modid: xfs-linux-melb:xfs-kern:26898a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chatterton <chatz@sgi.com>
2006-07-28[XFS] Fix a barrier related forced shutdown on mounts with quota enabled.Nathan Scott
SGI-PV: 912426 SGI-Modid: xfs-linux-melb:xfs-kern:26622a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-07-28[XFS] Fix remount vs no/barrier options by ensuring we clear unwantedNathan Scott
flags from iclog buffers before submitting them for writing. SGI-PV: 954772 SGI-Modid: xfs-linux-melb:xfs-kern:26605a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-07-10[PATCH] FDPIC: Move roundup() into linux/kernel.hDavid Howells
Move the roundup() macro from binfmt_elf.c into linux/kernel.h as it's generally useful. [akpm@osdl.org: nuke all the other implementations] Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-30Remove obsolete #include <linux/config.h>Jörn Engel
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-28[PATCH] mark address_space_operations constChristoph Hellwig
Same as with already do with the file operations: keep them in .rodata and prevents people from doing runtime patching. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-27[XFS] Remove a race condition where a linked inode could BUG_ON inNathan Scott
d_instantiate, due to fast transaction committal removing the last remaining reference before we were all done. SGI-PV: 953287 SGI-Modid: xfs-linux-melb:xfs-kern:26347a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-27[XFS] Remove redundant directory checks from inode link operation.Alexey Dobriyan
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26343a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-27[XFS] Remove a couple of no-longer-used macros.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26339a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-27[XFS] * There is trivial "inode => vnode => inode" conversion, but onlyAlexey Dobriyan
flags and mode of final inode are looked at. Pass original inode instead. * Two occurences of bhv_vnode_t go out. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26298a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-25[PATCH] xfs: update ->flush method protoAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23[PATCH] for_each_possible_cpu: xfsKAMEZAWA Hiroyuki
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu. in xfs. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23[PATCH] XFS: Use the dentry passed to statfs() to limit the scope of the resultsDavid Howells
Enable XFS to limit the statfs() results to the project quota covering the dentry used as a base for call. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23[PATCH] VFS: Permit filesystem to perform statfs with a known root dentryDavid Howells
Give the statfs superblock operation a dentry pointer rather than a superblock pointer. This complements the get_sb() patch. That reduced the significance of sb->s_root, allowing NFS to place a fake root there. However, NFS does require a dentry to use as a target for the statfs operation. This permits the root in the vfsmount to be used instead. linux/mount.h has been added where necessary to make allyesconfig build successfully. Interest has also been expressed for use with the FUSE and XFS filesystems. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23[PATCH] VFS: Permit filesystem to override root dentry on mountDavid Howells
Extend the get_sb() filesystem operation to take an extra argument that permits the VFS to pass in the target vfsmount that defines the mountpoint. The filesystem is then required to manually set the superblock and root dentry pointers. For most filesystems, this should be done with simple_set_mnt() which will set the superblock pointer and then set the root dentry to the superblock's s_root (as per the old default behaviour). The get_sb() op now returns an integer as there's now no need to return the superblock pointer. This patch permits a superblock to be implicitly shared amongst several mount points, such as can be done with NFS to avoid potential inode aliasing. In such a case, simple_set_mnt() would not be called, and instead the mnt_root and mnt_sb would be set directly. The patch also makes the following changes: (*) the get_sb_*() convenience functions in the core kernel now take a vfsmount pointer argument and return an integer, so most filesystems have to change very little. (*) If one of the convenience function is not used, then get_sb() should normally call simple_set_mnt() to instantiate the vfsmount. This will always return 0, and so can be tail-called from get_sb(). (*) generic_shutdown_super() now calls shrink_dcache_sb() to clean up the dcache upon superblock destruction rather than shrink_dcache_anon(). This is required because the superblock may now have multiple trees that aren't actually bound to s_root, but that still need to be cleaned up. The currently called functions assume that the whole tree is rooted at s_root, and that anonymous dentries are not the roots of trees which results in dentries being left unculled. However, with the way NFS superblock sharing are currently set to be implemented, these assumptions are violated: the root of the filesystem is simply a dummy dentry and inode (the real inode for '/' may well be inaccessible), and all the vfsmounts are rooted on anonymous[*] dentries with child trees. [*] Anonymous until discovered from another tree. (*) The documentation has been adjusted, including the additional bit of changing ext2_* into foo_* in the documentation. [akpm@osdl.org: convert ipath_fs, do other stuff] Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Nathan Scott <nathans@sgi.com> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-20[XFS] Remove version 1 directory code. Never functioned on Linux, justNathan Scott
pure bloat. SGI-PV: 952969 SGI-Modid: xfs-linux-melb:xfs-kern:26251a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-20[XFS] Map EFSCORRUPTED to an actual error code, not just a made up oneNathan Scott
(990). Turns out some ye-olde unices used EUCLEAN as Filesystem-needs-cleaning, so now we use that too. SGI-PV: 953954 SGI-Modid: xfs-linux-melb:xfs-kern:26286a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-19[XFS] Kill direct access to ->count in valusema(); all we ever use it forAl Viro
is check if semaphore is actually locked, which can be trivially done in portable way. Code gets more reabable, while we are at it... SGI-PV: 953915 SGI-Modid: xfs-linux-melb:xfs-kern:26274a Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-19[XFS] Remove unneeded conditional code on NFS export interface relatedNathan Scott
code paths. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26250a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-19[XFS] Push some common code out of write path into core XFS code forNathan Scott
sharing. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26248a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-19[XFS] Remove unnecessary local from open_exec dmapi path.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26247a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Cleanup a missed porting conversion, and freezing.Nathan Scott
SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26109a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Resolve a namespace collision on remaining vtypes for FreeBSDNathan Scott
porters. SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26108a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Resolve a namespace collision on vnode/vnodeops for FreeBSD porters.Nathan Scott
SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26107a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Resolve a namespace collision on vfs/vfsops for FreeBSD porters.Nathan Scott
SGI-PV: 9533338 SGI-Modid: xfs-linux-melb:xfs-kern:26106a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix a typo in a header file comment.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26101a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Start writeout earlier (on last close) in the case where we have aNathan Scott
truncate down followed by delayed allocation (buffered writes) - worst case scenario for the notorious NULL files problem. This reduces the window where we are exposed to that problem significantly. SGI-PV: 917976 SGI-Modid: xfs-linux-melb:xfs-kern:26100a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Make the pflags test/set wrappers more legible for us mere humans.Nathan Scott
SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26099a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Shutdown the filesystem if all device paths have gone. MadeNathan Scott
shutdown vop flags consistent with sync vop flags declarations too. SGI-PV: 939911 SGI-Modid: xfs-linux-melb:xfs-kern:26096a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] getattr can return an error code, so propogate any from lowerNathan Scott
layers. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26095a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Drop use of m_writeio_blocks when zeroing, its not meaningfulNathan Scott
anymore here. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26094a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] lock validator: lockdep: small xfs init_rwsem() cleanup Ingo Molnar
init_rwsem() has no return value. This is not a problem if init_rwsem() is a function, but it's a problem if it's a do { ... } while (0) macro. (which lockdep introduces) SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26082a Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Add degframentation exclusion supportBarry Naujok
SGI-PV: 953061 SGI-Modid: xfs-linux-melb:xfs-kern:25986a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix a noatime regression related to updating inode atime field onNathan Scott
mmap only. SGI-PV: 952736 SGI-Modid: xfs-linux-melb:xfs-kern:25922a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Add parameters to xfs_bmapi() and xfs_bunmapi() to have them reportOlaf Weber
the range spanned by modifications to the in-core extent map. Add XFS_BUNMAPI() and XFS_SWAP_EXTENTS() macros that call xfs_bunmapi() and xfs_swap_extents() via the ioops vector. Change all calls that may modify the in-core extent map for the data fork to go through the ioops vector. This allows a cache of extent map data to be kept in sync. SGI-PV: 947615 SGI-Modid: xfs-linux-melb:xfs-kern:209226a Signed-off-by: Olaf Weber <olaf@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-04-11[PATCH] splice: pass offset around for ->splice_read() and ->splice_write()Jens Axboe
We need not use ->f_pos as the offset for the file input/output. If the user passed an offset pointer in through sys_splice(), just use that and leave ->f_pos alone. Signed-off-by: Jens Axboe <axboe@suse.de>
2006-04-11Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] vfs: add splice_write and splice_read to documentation [PATCH] Remove sys_ prefix of new syscalls from __NR_sys_* [PATCH] splice: warning fix [PATCH] another round of fs/pipe.c cleanups [PATCH] splice: comment styles [PATCH] splice: add Ingo as addition copyright holder [PATCH] splice: unlikely() optimizations [PATCH] splice: speedups and optimizations [PATCH] pipe.c/fifo.c code cleanups [PATCH] get rid of the PIPE_*() macros [PATCH] splice: speedup __generic_file_splice_read [PATCH] splice: add direct fd <-> fd splicing support [PATCH] splice: add optional input and output offsets [PATCH] introduce a "kernel-internal pipe object" abstraction [PATCH] splice: be smarter about calling do_page_cache_readahead() [PATCH] splice: optimize the splice buffer mapping [PATCH] splice: cleanup __generic_file_splice_read() [PATCH] splice: only call wake_up_interruptible() when we really have to [PATCH] splice: potential !page dereference [PATCH] splice: mark the io page as accessed
2006-04-11[PATCH] Add GFP_NOWAITJeff Dike
Introduce GFP_NOWAIT, as an alias for GFP_ATOMIC & ~__GFP_HIGH. This also changes XFS, which is the only in-tree user of this idiom that I could find. The XFS piece is compile-tested only. Signed-off-by: Jeff Dike <jdike@addtoit.com> Acked-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[XFS] Fix utime(2) in the case that no times parameter was passed in. Nathan Scott
SGI-PV: 949858 SGI-Modid: xfs-linux-melb:xfs-kern:25717a Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-04-11[XFS] Fix a writepage regression where we accidentally stopped honouringNathan Scott
nonblock mode with the new IO path code (since 2.6.16). SGI-PV: 951662 SGI-Modid: xfs-linux-melb:xfs-kern:25676a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-04-10[PATCH] introduce a "kernel-internal pipe object" abstractionIngo Molnar
separate out the 'internal pipe object' abstraction, and make it usable to splice. This cleans up and fixes several aspects of the internal splice APIs and the pipe code: - pipes: the allocation and freeing of pipe_inode_info is now more symmetric and more streamlined with existing kernel practices. - splice: small micro-optimization: less pointer dereferencing in splice methods Signed-off-by: Ingo Molnar <mingo@elte.hu> Update XFS for the ->splice_read/->splice_write changes. Signed-off-by: Jens Axboe <axboe@suse.de>
2006-03-31[XFS] Provide XFS support for the splice syscall.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-31[XFS] Implement the silent parameter to fill_super, previously ignored.Nathan Scott
SGI-PV: 951299 SGI-Modid: xfs-linux-melb:xfs-kern:25632a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-29[XFS] Cleanup in XFS after recent get_block_t interface tweaks.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-29[XFS] Fix compiler warning and small code inconsistencies in compatNathan Scott
ioctl32 land. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25590a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-29[XFS] We really suck at spulling. Thanks to Chris Pascoe for fixing allNathan Scott
these typos. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25539a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-28[PATCH] Make most file operations structs in fs/ constArjan van de Ven
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] remove ->get_blocks() supportBadari Pulavarty
Now that get_block() can handle mapping multiple disk blocks, no need to have ->get_blocks(). This patch removes fs specific ->get_blocks() added for DIO and makes it users use get_block() instead. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] map multiple blocks for mpage_readpages()Badari Pulavarty
This patch changes mpage_readpages() and get_block() to get the disk mapping information for multiple blocks at the same time. b_size represents the amount of disk mapping that needs to mapped. On the successful get_block() b_size indicates the amount of disk mapping thats actually mapped. Only the filesystems who care to use this information and provide multiple disk blocks at a time can choose to do so. No changes are needed for the filesystems who wants to ignore this. [akpm@osdl.org: cleanups] Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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