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* [XFS] fix unaligned access in readdirChristoph Hellwig2008-01-111-6/+10
| | | | | | | | | | | | | This patch should fix the issue seen on Alpha with unaligned accesses in the new readdir code. By aligning each dirent to sizeof(u64) we'll avoid unaligned accesses. To make doubly sure we're not hitting problems also rearrange struct hack_dirent to avoid holes. SGI-PV: 975411 SGI-Modid: xfs-linux-melb:xfs-kern:30302a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Initialise current offset in xfs_file_readdir correctlyLachlan McIlroy2007-12-211-0/+1
| | | | | | | | | | | | | | | After reading the directory contents into the temporary buffer, we grab each dirent and pass it to filldir witht eh current offset of the dirent. The current offset was not being set for the first dirent in the temporary buffer, which coul dresult in bad offsets being set in the f_pos field result in looping and duplicate entries being returned from readdir. SGI-PV: 974905 SGI-Modid: xfs-linux-melb:xfs-kern:30282a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix mknod regressionChristoph Hellwig2007-12-211-3/+1
| | | | | | | | | | | | | | | | | | This was broken by my '[XFS] simplify xfs_create/mknod/symlink prototype', which assigned the re-shuffled ondisk dev_t back to the rdev variable in xfs_vn_mknod. Because of that i_rdev is set to the ondisk dev_t instead of the linux dev_t later down the function. Fortunately the fix for it is trivial: we can just remove the assignment because xfs_revalidate_inode has done the proper job before unlocking the inode. SGI-PV: 974873 SGI-Modid: xfs-linux-melb:xfs-kern:30273a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Put the correct offset in dirent d_offLachlan McIlroy2007-12-184-13/+8
| | | | | | | | | | | | | | | | The recent filldir regression fix was not putting the correct d_off in each dirent. This was resulting in incorrect cookies being passed to dmapi ioctls and the wrong offset appearing in the dirents. readdir was unaffected as the filp->f_pos was being updated with the correct offset and this was being written into the last dirent in each buffer. Fix the XFS code to do the right thing. SGI-PV: 973746 SGI-Modid: xfs-linux-melb:xfs-kern:30240a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't wait for pending I/Os when purging blocks beyond eof.Lachlan McIlroy2007-12-181-2/+4
| | | | | | | | | | | | | | | On last close of a file we purge blocks beyond eof. The same code is used when we truncate the file size down. In this case we need to wait for any pending I/Os for dirty pages beyond the new eof. For the last close case we are not changing the file size and therefore do not need to wait for any I/Os to complete. This fixes a performance bottleneck where writes into the page cache and cache flushes can become mutually exclusive. SGI-PV: 964002 SGI-Modid: xfs-linux-melb:xfs-kern:30220a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Peter Leckie <pleckie@sgi.com>
* Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6Linus Torvalds2007-12-108-50/+186
|\ | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: [XFS] Fix xfs_ichgtime()s broken usage of I_SYNC [XFS] Make xfsbufd threads freezable [XFS] revert to double-buffering readdir [XFS] Fix broken inode cluster setup. [XFS] Clear XBF_READ_AHEAD flag on I/O completion. [XFS] Fixed a few bugs in xfs_buf_associate_memory() [XFS] 971064 Various fixups for xfs_bulkstat(). [XFS] Fix dbflush panic in xfs_qm_sync.
| * [XFS] Fix xfs_ichgtime()s broken usage of I_SYNCDavid Chinner2007-12-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | The recent I_LOCK->I_SYNC changes mistakenly changed xfs_ichgtime to look at I_SYNC instead of I_LOCK. This was incorrect and prevents newly created inodes from moving to the dirty list. Change this to the correct check which is for I_NEW, not I_LOCK or I_SYNC so that behaviour is correct. SGI-PV: 974225 SGI-Modid: xfs-linux-melb:xfs-kern:30204a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] Make xfsbufd threads freezableRafael J. Wysocki2007-12-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Fix breakage caused by commit 831441862956fffa17b9801db37e6ea1650b0f69 that did not introduce the necessary call to set_freezable() in xfs/linux-2.6/xfs_buf.c . SGI-PV: 974224 SGI-Modid: xfs-linux-melb:xfs-kern:30203a Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] revert to double-buffering readdirChristoph Hellwig2007-12-101-0/+124
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The current readdir implementation deadlocks on a btree buffers locks because nfsd calls back into ->lookup from the filldir callback. The only short-term fix for this is to revert to the old inefficient double-buffering scheme. SGI-PV: 973377 SGI-Modid: xfs-linux-melb:xfs-kern:30201a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] Fix broken inode cluster setup.David Chinner2007-12-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The radix tree based inode caches did away with the inode cluster hashes, replacing them with a bunch of masking and gang lookups on the radix tree. This masking got broken when moving the code to per-ag radix trees and indexing by agino # rather than straight inode number. The result is clustered inode writeback does not cluster and things can go extremely slowly when there are lots of inodes to write. Fix it up by comparing the agino # of the inode we just looked up to the index of the cluster we are looking for. Tested-by: Torsten Kaiser <just.for.lkml@googlemail.com> SGI-PV: 972915 SGI-Modid: xfs-linux-melb:xfs-kern:30033a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] Clear XBF_READ_AHEAD flag on I/O completion.Lachlan McIlroy2007-12-101-1/+1
| | | | | | | | | | | | | | | | SGI-PV: 972554 SGI-Modid: xfs-linux-melb:xfs-kern:30128a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
| * [XFS] Fixed a few bugs in xfs_buf_associate_memory()Lachlan McIlroy2007-12-101-20/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - calculation of 'page_count' was incorrect as it did not consider the offset of 'mem' into the first page. The logic to bump 'page_count' didn't work if 'len' was <= PAGE_CACHE_SIZE (ie offset = 3k, len = 2k). - setting b_buffer_length to 'len' is incorrect if 'offset' is > 0. Set it to the total length of the buffer. - I suspect that passing a non-aligned address into mem_to_page() for the first page may have been causing issues - don't know but just tidy up that code anyway. SGI-PV: 971596 SGI-Modid: xfs-linux-melb:xfs-kern:30143a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
| * [XFS] 971064 Various fixups for xfs_bulkstat().Lachlan McIlroy2007-12-103-26/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - sanity check for NULL user buffer in xfs_ioc_bulkstat[_compat]() - remove the special case for XFS_IOC_FSBULKSTAT with count == 1. This special case causes bulkstat to fail because the special case uses xfs_bulkstat_single() instead of xfs_bulkstat() and the two functions have different semantics. xfs_bulkstat() will return the next inode after the one supplied while skipping internal inodes (ie quota inodes). xfs_bulkstate_single() will only lookup the inode supplied and return an error if it is an internal inode. - in xfs_bulkstat(), need to initialise 'lastino' to the inode supplied so in cases were we return without examining any inodes the scan wont restart back at zero. - sanity check for valid *ubcountp values. Cannot sanity check for valid ubuffer here because some users of xfs_bulkstat() don't supply a buffer. - checks against 'ubleft' (the space left in the user's buffer) should be against 'statstruct_size' which is the supplied minimum object size. The mixture of checks against statstruct_size and 0 was one of the reasons we were skipping inodes. - if the formatter function returns BULKSTAT_RV_NOTHING and an error and the error is not ENOENT or EINVAL then we need to abort the scan. ENOENT is for inodes that are no longer valid and we just skip them. EINVAL is returned if we try to lookup an internal inode so we skip them too. For a DMF scan if the inode and DMF attribute cannot fit into the space left in the user's buffer it would return ERANGE. We didn't handle this error and skipped the inode. We would continue to skip inodes until one fitted into the user's buffer or we completed the scan. - put back the recalculation of agino (that got removed with the last fix) at the end of the while loop. This is because the code at the start of the loop expects agino to be the last inode examined if it is non-zero. - if we found some inodes but then encountered an error, return success this time and the error next time. If the formatter aborted with ENOMEM we will now return this error but only if we couldn't read any inodes. Previously if we encountered ENOMEM without reading any inodes we returned a zero count and no error which falsely indicated the scan was complete. SGI-PV: 973431 SGI-Modid: xfs-linux-melb:xfs-kern:30089a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
| * [XFS] Fix dbflush panic in xfs_qm_sync.Donald Douwsma2007-12-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent behaviour layer removal dropped the check for quotas that have been requested at mount time but have subsequently been turned off. This results in a panic when accessing m_quotainfo which has been freed. This patch adds the check originally made by xfs_qm_syncall() to xfs_qm_sync(). SGI-PV: 969769 SGI-Modid: xfs-linux-melb:xfs-kern:29908a Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* | exportfs: make struct export_operations constChristoph Hellwig2007-10-222-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that nfsd has stopped writing to the find_exported_dentry member we an mark the export_operations const Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Neil Brown <neilb@suse.de> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: <linux-ext4@vger.kernel.org> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Anton Altaparmakov <aia21@cantab.net> Cc: David Chinner <dgc@sgi.com> Cc: Timothy Shimmin <tes@sgi.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Chris Mason <mason@suse.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: "Vladimir V. Saveliev" <vs@namesys.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | xfs: new export opsChristoph Hellwig2007-10-222-124/+130
|/ | | | | | | | | | | | | | | This one is a lot more complicated than the previous ones. XFS already had a very clever scheme for supporting 64bit inode numbers in filehandles, and I've reworked this to be some kind of a prototype for the generic 64bit inode filehandle support. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Neil Brown <neilb@suse.de> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: David Chinner <dgc@sgi.com> Cc: Timothy Shimmin <tes@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [XFS] cleanup fid types messChristoph Hellwig2007-10-198-60/+33
| | | | | | | | | | | | | | | | | | Currently XFs has three different fid types: struct fid, struct xfs_fid and struct xfs_fid2 with hte latter two beeing identicaly and the first one beeing the same size but an unstructured array with the same size. This patch consolidates all this to alway uuse struct xfs_fid. This patch is required for an upcoming patch series from me that revamps the nfs exporting code and introduces a Linux-wide struct fid. SGI-PV: 970336 SGI-Modid: xfs-linux-melb:xfs-kern:29651a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] fixups after behavior removal merge into mainline gitChristoph Hellwig2007-10-192-32/+11
| | | | | | | | | Fixup for lack of dmapi support and no quota module support. SGI-PV: 969985 Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
* Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6Linus Torvalds2007-10-1790-4739/+2762
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: (59 commits) [XFS] eagerly remove vmap mappings to avoid upsetting Xen [XFS] simplify validata_fields [XFS] no longer using io_vnode, as was remaining from 23 cherrypick [XFS] Remove STATIC which was missing from prior manual merge [XFS] Put back the QUEUE_ORDERED_NONE test in the barrier check. [XFS] Turn off XBF_ASYNC flag before re-reading superblock. [XFS] avoid race in sync_inodes() that can fail to write out all dirty data [XFS] This fix prevents bulkstat from spinning in an infinite loop. [XFS] simplify xfs_create/mknod/symlink prototype [XFS] avoid xfs_getattr in XFS_IOC_FSGETXATTR ioctl [XFS] get_bulkall() could return incorrect inode state [XFS] Kill unused IOMAP_EOF flag [XFS] fix when DMAPI mount option processing happens [XFS] ensure file size is logged on synchronous writes [XFS] growlock should be a mutex [XFS] replace some large xfs_log_priv.h macros by proper functions [XFS] kill struct bhv_vfs [XFS] move syncing related members from struct bhv_vfs to struct xfs_mount [XFS] kill the vfs_flags member in struct bhv_vfs [XFS] kill the vfs_fsid and vfs_altfsid members in struct bhv_vfs ...
| * [XFS] eagerly remove vmap mappings to avoid upsetting XenJeremy Fitzhardinge2007-10-171-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | XFS leaves stray mappings around when it vmaps memory to make it virtually contigious. This upsets Xen if one of those pages is being recycled into a pagetable, since it finds an extra writable mapping of the page. This patch solves the problem in a brute force way, by making XFS always eagerly unmap its mappings. SGI-PV: 971902 SGI-Modid: xfs-linux-melb:xfs-kern:29886a Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] simplify validata_fieldsChristoph Hellwig2007-10-171-27/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | Stop using xfs_getattr and a onstack bhv_vattr_t just to get three fields from the underlying inode and opencode copying from the inode fields instead. SGI-PV: 970662 SGI-Modid: xfs-linux-melb:xfs-kern:29711a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] no longer using io_vnode, as was remaining from 23 cherrypickTim Shimmin2007-10-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | Because we cherrypicked SGI-Modid xfs-linux-melb:xfs-kern:29675a and it depended on the sgi mod which removed io_vnode (which was not cherrypicked in 23) it was hand modified. This fixes things back up (to the originial mod) now we have moved on again. Reviewed-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove STATIC which was missing from prior manual mergeTim Shimmin2007-10-161-1/+1
| | | | | | | | | | | | | | | | Removes STATIC on xfs_freeze function which was not manually applied for SGI-Modid: xfs-linux-melb:xfs-kern:29504a. Reviewed-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Put back the QUEUE_ORDERED_NONE test in the barrier check.Tim Shimmin2007-10-161-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Put back the QUEUE_ORDERED_NONE test which caused us grief in sles when it was taken out as, IIRC, it allowed md/lvm to be thought of as supporting barriers when they weren't in some configurations. This patch will be reverting what went in as part of a change for the SGI-pv 964544 (SGI-Modid: xfs-linux-melb:xfs-kern:28568a). SGI-PV: 971783 SGI-Modid: xfs-linux-melb:xfs-kern:29882a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
| * [XFS] Turn off XBF_ASYNC flag before re-reading superblock.Lachlan McIlroy2007-10-161-0/+3
| | | | | | | | | | | | | | | | | | SGI-PV: 971603 SGI-Modid: xfs-linux-melb:xfs-kern:29871a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] avoid race in sync_inodes() that can fail to write out all dirty dataLachlan McIlroy2007-10-161-9/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In xfs_fs_sync_super() treat a sync the same as a filesystem freeze. This is needed to force the log to disk for inodes which are not marked dirty in the Linux inode (the inodes are marked dirty on completion of the log I/O) and so sync_inodes() will not flush them. In xfs_fs_write_inode() a synchronous flush will not get an EAGAIN from xfs_inode_flush() and if an asynchronous flush returns EAGAIN we should pass it on to the caller. If we get an error while flushing the inode then re-dirty it so we can try again later. SGI-PV: 971670 SGI-Modid: xfs-linux-melb:xfs-kern:29860a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] This fix prevents bulkstat from spinning in an infinite loop.Lachlan McIlroy2007-10-161-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here 'agino' increments through the inodes in an allocation group. At the end of the innermost 'for' loop it will hold the value of the next inode to look at (ie the first inode in the next cluster/chunk). Assigning 'lastino' to 'agino' resets it to the last inode in the last inode cluster we just looked at. This causes us to look up the very same cluster and examine all the inodes all over again, and again, and again... We also want to set 'lastino' for the cases when we're not interested in the inode so that the next call to bulkstat won't re-examine the same uninteresting inodes. SGI-PV: 971064 SGI-Modid: xfs-linux-melb:xfs-kern:29840a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] simplify xfs_create/mknod/symlink prototypeChristoph Hellwig2007-10-165-47/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | Simplify the prototype for xfs_create/xfs_mkdir/xfs_symlink by not passing down a bhv_vattr_t that just hogs stack space. Instead pass down the mode in a mode_t and in case of xfs_create the rdev as a scalar type as well. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29794a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] avoid xfs_getattr in XFS_IOC_FSGETXATTR ioctlChristoph Hellwig2007-10-161-44/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to call into xfs_getattr and put a big bhv_vattr_t on the stack just to get a little information from the XFS inode. Add a helper called xfs_ioc_fsgetxattr instead that deals with retrieving the information in a clean way. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29780a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] get_bulkall() could return incorrect inode stateVlad Apostolov2007-10-162-7/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the following scenario xfs_bulkstat() returns incorrect stale inode state: 1. File_A is created and its inode synced to disk. 2. File_A is unlinked and doesn't exist anymore. 3. Filesystem sync is invoked. 4. File_B is created. File_B happens to reclaim File_A's inode. 5. xfs_bulkstat() is called and detects File_B but reports the incorrect File_A inode state. Explanation for the incorrect inode state is that inodes are not immediately synced on file create for performance reasons. This leaves the on-disk inode buffer uninitialized (or with old state from a previous generation inode) and this is what xfs_bulkstat() would report. The patch marks the on-disk inode buffer "dirty" on unlink. When the inode is reclaimed (by a new file create), xfs_bulkstat() would filter this inode by the "dirty" mark. Once the inode is flushed to disk, the on-disk buffer "dirty" mark is automatically removed and a following xfs_bulkstat() would return the correct inode state. Marking the on-disk inode buffer "dirty" on unlink is achieved by setting the on-disk di_nlink field to 0. Note that the in-core di_nlink has already been set to 0 and a corresponding transaction logged by xfs_droplink(). This is an exception from the rule that any on-disk inode buffer changes has to be followed by a disk write (inode flush). Synchronizing the in-core to on-disk di_nlink values in advance (before the actual inode flush to disk) should be fine in this case because the inode is already unlinked and it would never change its di_nlink again for this inode generation. SGI-PV: 970842 SGI-Modid: xfs-linux-melb:xfs-kern:29757a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: Alex Elder <aelder@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Kill unused IOMAP_EOF flagChristoph Hellwig2007-10-162-9/+0
| | | | | | | | | | | | | | | | | | SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29705a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] fix when DMAPI mount option processing happensVlad Apostolov2007-10-161-12/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix for a regression caused by a recent patch that moved the DMAPI mount option processing inside xfs_parseargs(). The DMAPI mount option used to be processed in the DMAPI module loaded before xfs_parseargs() was invoked. SGI-PV: 970451 SGI-Modid: xfs-linux-melb:xfs-kern:29683a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] ensure file size is logged on synchronous writesLachlan McIlroy2007-10-161-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Synchronous writes currently log inode changes before syncing pages to disk. Since the file size is updated on I/O completion we wont be writing out the updated file size and if we crash the file will have the wrong size. This change moves the logging after the syncing of the pages to ensure we log the correct file size. SGI-PV: 970334 SGI-Modid: xfs-linux-melb:xfs-kern:29649a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] growlock should be a mutexChristoph Hellwig2007-10-163-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | m_growlock only needs plain binary mutex semantics, so use a struct mutex instead of a semaphore for it. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29512a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] replace some large xfs_log_priv.h macros by proper functionsChristoph Hellwig2007-10-162-25/+32
| | | | | | | | | | | | | | | | | | | | | | ... or in the case of XLOG_TIC_ADD_OPHDR remove a useless macro entirely. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29511a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill struct bhv_vfsChristoph Hellwig2007-10-1614-312/+39
| | | | | | | | | | | | | | | | | | | | | | | | Now that struct bhv_vfs doesn't have any members left we can kill it and go directly from the super_block to the xfs_mount everywhere. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29509a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] move syncing related members from struct bhv_vfs to struct xfs_mountChristoph Hellwig2007-10-164-75/+65
| | | | | | | | | | | | | | | | | | SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29508a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill the vfs_flags member in struct bhv_vfsChristoph Hellwig2007-10-1616-76/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All flags are added to xfs_mount's m_flag instead. Note that the 32bit inode flag was duplicated in both of them, but only cleared in the mount when it was not nessecary due to the filesystem beeing small enough. Two flags are still required here - one to indicate the mount option setting, and one to indicate if it applies or not. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29507a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill the vfs_fsid and vfs_altfsid members in struct bhv_vfsChristoph Hellwig2007-10-165-41/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | vfs_altfsid was just a pointer to mp->m_fixedfsid so we can trivially replace it with the latter. vfs_fsid also was identical to m_fixedfsid through rather obfuscated ways so we can kill it as well and simply its only user. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29506a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] call common xfs vfs-level helpers directly and remove vfs operationsChristoph Hellwig2007-10-1618-774/+51
| | | | | | | | | | | | | | | | | | | | | | Also remove the now dead behavior code. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29505a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] decontaminate vfs operations from behavior detailsChristoph Hellwig2007-10-168-68/+207
| | | | | | | | | | | | | | | | | | | | | | | | All vfs ops now take struct xfs_mount pointers and the behaviour related glue is split out into methods of its own. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29504a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] remove dependency of the quota module on behaviorsChristoph Hellwig2007-10-1612-303/+224
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Mount options are now parsed by the main XFS module and rejected if quota support is not available, and there are some new quota operation for the quotactl syscall and calls to quote in the mount, unmount and sync callchains. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29503a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] remove dependency of the dmapi module on behaviorsChristoph Hellwig2007-10-166-40/+82
| | | | | | | | | | | | | | | | | | | | | | | | | | Mount options are now parsed by the main XFS module and rejected if dmapi support is not available, and there is a new dm operation to send the mount event. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29502a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] move freeing the mount structure from xfs_mount_free into the callersChristoph Hellwig2007-10-163-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | In the next patch we need to look at the mount structure until just before it's freed, so we need to be able to free it as the very last thing in xfs_unmount. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29501a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill struct bhv_vnodeChristoph Hellwig2007-10-1612-73/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | Now that struct bhv_vnode is empty we can just kill it. Retain bhv_vnode_t as a typedef for struct inode for the time being until all the fallout is cleaned up. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29500a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill the v_number member in struct bhv_vnodeChristoph Hellwig2007-10-163-11/+2
| | | | | | | | | | | | | | | | | | | | | | | | It's entirely unused except for ignored arguments in the mrlock initialization, so remove it. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29499a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] move v_trace from bhv_vnode to xfs_inodeChristoph Hellwig2007-10-1613-89/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | struct bhv_vnode is on it's way out, so move the trace buffer to the XFS inode. Note that this makes the tracing macros rather misnamed, but this kind of fallout will be fixed up incrementally later on. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29498a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] move v_iocount from bhv_vnode to xfs_inodeChristoph Hellwig2007-10-168-34/+44
| | | | | | | | | | | | | | | | | | | | | | | | struct bhv_vnode is on it's way out, so move the I/O count to the XFS inode. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29497a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Create xfs_iflags_test_and_clear helper functionChristoph Hellwig2007-10-162-6/+14
| | | | | | | | | | | | | | | | | | SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29496a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] kill the v_flag member in struct bhv_vnodeChristoph Hellwig2007-10-1611-79/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | All flags previously handled at the vnode level are not in the xfs_inode where we already have a flags mechanisms and free bits for flags previously in the vnode. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29495a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
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