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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>
2006-06-18[JFFS2] Check CRC32 on dirent and data nodes each time they're readDavid Woodhouse
Also, make sure dirents are marked REF_UNCHECKED when we 'discover' them through eraseblock summary. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-18[JFFS2] When retiring nextblock, allocate a node_ref for the wasted spaceDavid Woodhouse
Failing to do so makes the calculated length of the last node incorrect, when we're not using eraseblock summaries. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-18[JFFS2] Mark XATTR support as experimental, for nowDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-17[JFFS2] Don't trust node headers before the CRC is checked.David Woodhouse
Especially when summary code is used, we can have in-memory data structures referencing certain nodes without them actually being readable on the flash. Discard the nodes gracefully in that case, rather than triggering a BUG(). Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-17[PATCH] Fix missing ret assignment in __bio_map_user() error pathJens Axboe
If get_user_pages() returns less pages than what we asked for, we jump to out_unmap which will return ERR_PTR(ret). But ret can contain a positive number just smaller than local_nr_pages, so be sure to set it to -EFAULT always. Problem found and diagnosed by Damien Le Moal <damien@sdl.hitachi.co.jp> Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-14[PATCH] Return error in case flock_lock_file failureKirill Korotaev
If flock_lock_file() failed to allocate flock with locks_alloc_lock() then "error = 0" is returned. Need to return some non-zero. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-13[XFS] Minor XFS documentation updates.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[JFFS2] Fix more breakage caused by janitorial meddling.David Woodhouse
jffs2_zlib_exit() and free_workspaces() shouldn't be marked __exit because they get called in the error case from the init functions. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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>
2006-06-09[XFS] endianess annotations for xfs_dir_leaf_hdr_t Christoph Hellwig
SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25807a 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>
2006-06-09[XFS] endianess annotations for xfs_dir2_data_entry_t Christoph Hellwig
SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25806a 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>
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>
2006-06-08[PATCH] debugfs inode leakJens Axboe
Looking at the reiser4 crash, I found a leak in debugfs. In debugfs_mknod(), we create the inode before checking if the dentry already has one attached. We don't free it if that is the case. These bugs happen quite often, I'm starting to think we should disallow such coding in CodingStyle. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-05[PATCH] fs/namei.c: Call to file_permission() under a spinlock in ↵Trond Myklebust
do_lookup_path() From: Trond Myklebust <Trond.Myklebust@netapp.com> We're presently running lock_kernel() under fs_lock via nfs's ->permission handler. That's a ranking bug and sometimes a sleep-in-spinlock bug. This problem was introduced in the openat() patchset. We should not need to hold the current->fs->lock for a codepath that doesn't use current->fs. [vsu@altlinux.ru: fix error path] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-02[JFFS2] Remove stray __exit from jffs2_compressors_exit()David Woodhouse
It's used from the initfunc in case of failure too. We could actually do with an '__initexit' for this kind of thing -- when built in to the kernel, it could do with being dropped with the init text. We _could_ actually just use __init for it, but that would break if/when we start dropping init text from modules. So let's just leave it as it was for now, and mutter a little more about random 'janitorial' fixes from people who aren't paying attention to what they're doing. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-05-31[PATCH] ext3 resize: fix double unlock_super()Andrew Morton
From: Andrew Morton <akpm@osdl.org> Spotted by Jan Capek <jca@sysgo.com> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Jan Capek <jca@sysgo.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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