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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] Reduce size of xfs_trans_t structure. * remove ->t_forw, ->t_back --Alexey Dobriyan
unused * ->t_ag_freeblks_delta, ->t_ag_flist_delta, ->t_ag_btree_delta are debugging aid -- wrap them in everyone's favourite way. As a result, cut "xfs_trans" slab object size from 592 to 572 bytes here. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26319a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-27[XFS] remove unused behaviour lock - shrink XFS vnode as a side effect.Alexey Dobriyan
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26299a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> 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>
2006-06-27[XFS] link(2) on directory is banned in VFS.Alexey Dobriyan
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26293a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-26[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 files from the build that are now unused.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-20[XFS] Fix a Makefile issue related to exports.o handling.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
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>
2006-06-18[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>
2006-06-18[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>
2006-06-18[XFS] Remove an incorrect use of unlikely() on a relatively likely codeNathan Scott
path. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26249a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-18[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>
2006-06-18[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>
2006-06-13[XFS] Minor XFS documentation updates.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix broken const use inside local suffix_strtoul routine.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26201a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix nused counter. It's currently getting set to -1 rather thanMandy Kirkconnell
getting decremented by 1. Since nused never reaches 0, the "if (!free->hdr.nused)" check in xfs_dir2_leafn_remove() fails every time and xfs_dir2_shrink_inode() doesn't get called when it should. This causes extra blocks to be left on an empty directory and the directory in unable to be converted back to inline extent mode. SGI-PV: 951958 SGI-Modid: xfs-linux-melb:xfs-kern:211382a Signed-off-by: Mandy Kirkconnell <alkirkco@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix mismerge of the fs_writable cleanup patch causing a freeze/thawNathan Scott
test hang. SGI-PV: 953563 SGI-Modid: xfs-linux-melb:xfs-kern:26182a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix up debug code so that bulkstat wont generate thousands ofNathan Scott
fsstress warnings. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26111a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Remove unused parameter from di2xflags routine.Nathan Scott
SGI-PV: 904192 SGI-Modid: xfs-linux-melb:xfs-kern:26110a 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] statvfs component of directory/project quota support, codeNathan Scott
originally by Glen. SGI-PV: 932952 SGI-Modid: xfs-linux-melb:xfs-kern:26105a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Portability changes: remove prdev, stick to one diagnosticNathan Scott
interface. SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26103a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Remove dead code from come bulkstat paths.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26102a 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] Fix a buffer refcount leak in dir2 code on a forced shutdown.Nathan Scott
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26097a 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] Over zealous with doing endian conversions. We endian converted theTim Shimmin
logged version of di_next_unlinked which is actually always stored in the correct ondisk format. This was pointed out to us by Shailendra Tripathi. And is evident in the xfs qa test of 121. SGI-PV: 953263 SGI-Modid: xfs-linux-melb:xfs-kern:26044a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Stop a BUG from occurring in generic_delete_inode by preventingDavid Chinner
transaction completion from marking the inode dirty while it is being cleaned up on it's way out of the system. SGI-PV: 952967 SGI-Modid: xfs-linux-melb:xfs-kern:26040a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] inode items and EFI/EFDs have different ondisk format for 32bit andTim Shimmin
64bit kernels allow recovery to handle both versions and do the necessary decoding SGI-PV: 952214 SGI-Modid: xfs-linux-melb:xfs-kern:26011a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] In actual allocation of file system blocks and freeing extents, theYingping Lu
transaction within each such operation may involve multiple locking of AGF buffer. While the freeing extent function has sorted the extents based on AGF number before entering into transaction, however, when the file system space is very limited, the allocation of space would try every AGF to get space allocated, this could potentially cause out-of-order locking, thus deadlock could happen. This fix mitigates the scarce space for allocation by setting aside a few blocks without reservation, and avoid deadlock by maintaining ascending order of AGF locking. SGI-PV: 947395 SGI-Modid: xfs-linux-melb:xfs-kern:210801a Signed-off-by: Yingping Lu <yingping@sgi.com> 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] Fix a comment typo, originally noticed by Ming Zhang.Nathan Scott
SGI-PV: 907752 SGI-Modid: xfs-linux-melb:xfs-kern:25921a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Fix size argument in kmem_free().Mandy Kirkconnell
SGI-PV: 952291 SGI-Modid: xfs-linux-melb:xfs-kern:209807a Signed-off-by: Mandy Kirkconnell <alkirkco@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Originally the ATTR_DMI flag also had the functionality of theOlaf Weber
ATTR_NOLOCK flag, but this was split off some time ago, as ATTR_DMI needed to be used separately. Two asserts were added to guard correctness of the code during the transition. These are no longer required. SGI-PV: 952145 SGI-Modid: xfs-linux-melb:xfs-kern:209633a Signed-off-by: Olaf Weber <olaf@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] endianess annotations for xfs_dir_leaf_entry_t Christoph Hellwig
SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25808a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Nathan Scott <nathans@sgi.com>
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