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* Merge branch 'master' of git+ssh://git.melbourne.sgi.com/git/xfsLachlan McIlroy2008-12-11
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| * [XFS] use inode_change_ok for setattr permission checkingChristoph Hellwig2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | Instead of implementing our own checks use inode_change_ok to check for necessary permission in setattr. There is a slight change in behaviour as inode_change_ok doesn't allow i_mode updates to add the suid or sgid without superuser privilegues while the old XFS code just stripped away those bits from the file mode. (First sent on Semptember 29th) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] add a FMODE flag to make XFS invisible I/O less hackyChristoph Hellwig2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | XFS has a mode called invisble I/O that doesn't update any of the timestamps. It's used for HSM-style applications and exposed through the nasty open by handle ioctl. Instead of doing directly assignment of file operations that set an internal flag for it add a new FMODE_NOCMTIME flag that we can check in the normal file operations. (addition of the generic VFS flag has been ACKed by Al as an interims solution) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] resync headers with libxfsChristoph Hellwig2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | - xfs_sb.h add the XFS_SB_VERSION2_PARENTBIT features2 that has been around in userspace for some time - xfs_inode.h: move a few things out of __KERNEL__ that are needed by userspace - xfs_mount.h: only include xfs_sync.h under __KERNEL__ - xfs_inode.c: minor whitespace fixup. I accidentaly changes this when importing this file for use by userspace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] simplify projid check in xfs_renameChristoph Hellwig2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Check for the project ID after attaching all inodes to the transaction. That way the unlock in the error case is done by the transaction subsystem, which guaratees that is uses the right flags (which was wrong from day one of this check), and avoids having special code unlocking an array of inodes with potential duplicates. Attaching the inode first is the method used by xfs_rename and the other namespace methods all other error that require multiple locked inodes. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] replace b_fspriv with b_mountChristoph Hellwig2008-12-10
| | | | | | | | | | | | | | | | | | | | Replace the b_fspriv pointer and it's ugly accessors with a properly types xfs_mount pointer. Also switch log reocvery over to it instead of using b_fspriv for the mount pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| * [XFS] Remove unused tracing codeLachlan McIlroy2008-12-09
| | | | | | | | | | | | | | None of this code appears to be used anywhere so remove it. Reviewed-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* | [XFS] set b_error from bio error in xfs_buf_bio_end_ioLachlan McIlroy2008-12-11
|/ | | | | | | | Preserve any error returned by the bio layer. Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove unnecessary assertionLachlan McIlroy2008-12-04
| | | | | | | | | | | | | | Hit this assert because an inode was tagged with XFS_ICI_RECLAIM_TAG but not XFS_IRECLAIMABLE|XFS_IRECLAIM. This is because xfs_iget_cache_hit() first clears XFS_IRECLAIMABLE and then calls __xfs_inode_clear_reclaim_tag() while only holding the pag_ici_lock in read mode so we can race with xfs_reclaim_inodes_ag(). Looks like xfs_reclaim_inodes_ag() will do the right thing anyway so just remove the assert. Thanks to Christoph for pointing out where the problem was. Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Reviewed-by: Christoph Hellwig <hch@infradead.org>
* [XFS] Remove unused variable in ktrace_free()Lachlan McIlroy2008-12-04
| | | | | | | | | entries_size is probably left over from when we used to pass the size to kmem_free(). Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Reviewed-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* [XFS] Check return value of xfs_buf_get_noaddr()Lachlan McIlroy2008-12-04
| | | | | | | | | We check the return value of all other calls to xfs_buf_get_noaddr(). Make sense to do it here too. Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Reviewed-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* [XFS] Fix hang after disallowed rename across directory quota domainsDave Chinner2008-12-04
| | | | | | | | | | | | | | | When project quota is active and is being used for directory tree quota control, we disallow rename outside the current directory tree. This requires a check to be made after all the inodes involved in the rename are locked. We fail to unlock the inodes correctly if we disallow the rename when the target is outside the current directory tree. This results in a hang on the next access to the inodes involved in failed rename. Reported-by: Arkadiusz Miskiewicz <arekm@maven.pl> Signed-off-by: Dave Chinner <david@fromorbit.com> Tested-by: Arkadiusz Miskiewicz <arekm@maven.pl> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix compile with CONFIG_COMPAT enabledChristoph Hellwig2008-12-04
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* move inode tracing out of xfs_vnode.Christoph Hellwig2008-12-03
| | | | | | | | | Move the inode tracing into xfs_iget.c / xfs_inode.h and kill xfs_vnode.c now that it's empty. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* move vn_iowait / vn_iowake into xfs_aops.cChristoph Hellwig2008-12-03
| | | | | | | | | | The whole machinery to wait on I/O completion is related to the I/O path and should be there instead of in xfs_vnode.c. Also give the functions more descriptive names. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* kill vn_ioerrorChristoph Hellwig2008-12-03
| | | | | | | | | There's just one caller of this helper, and it's much cleaner to just merge the xfs_do_force_shutdown call into it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* kill xfs_unmount_flushChristoph Hellwig2008-12-03
| | | | | | | | | | | | There's almost nothing left in this function, instead remove the IRELE on the real times inodes and the call to XFS_QM_UNMOUNT into xfs_unmountfs. For the regular unmount case that means it now also happenes after dmapi notification, but otherwise there is no difference in behaviour. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* no explicit xfs_iflush for special inodes during unmountChristoph Hellwig2008-12-03
| | | | | | | | | | | Currently we explicitly call xfs_iflush on the quota, real-time and root inodes from xfs_unmount_flush. But we just called xfs_sync_inodes with SYNC_ATTR and do an XFS_bflush aka xfs_flush_buftarg to make sure all inodes are on disk already, so there is no need for these special cases. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* use xfs_trans_ijoin in xfs_trans_igetChristoph Hellwig2008-12-03
| | | | | | | | | | Use xfs_trans_ijoin in xfs_trans_iget in case we need to join an inode into a transaction instead of opencoding it. Based on a discussion with and an incomplete patch from Niv Sardi. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove leftovers of shared read-only supportChristoph Hellwig2008-12-03
| | | | | | | | | We never supported shared read-only filesystems, so remove the dead code left over from IRIX for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove unused m_inode_quiesce member from struct xfs_mountChristoph Hellwig2008-12-03
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* kill dead inode flagsChristoph Hellwig2008-12-03
| | | | | | | | | There are a few inode flags around that aren't used anywhere, so remove them. Also update xfsidbg to display all used inode flags correctly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* cleanup xfs_sb.h feature flag helpersChristoph Hellwig2008-12-03
| | | | | | | | | | | | | The various inlines in xfs_sb.h that deal with the superblock version and fature flags were converted from macros a while ago, and this show by the odd coding style full of useless braces and backslashes and the avoidance of conditionals. Clean these up to look like normal C code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* kill dead quota flagsChristoph Hellwig2008-12-03
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove dead code from sv_t implementationChristoph Hellwig2008-12-03
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* reduce l_icloglock roundtripsChristoph Hellwig2008-12-03
| | | | | | | | | | | | | | | | | | All but one caller of xlog_state_want_sync drop and re-acquire l_icloglock around the call to it, just so that xlog_state_want_sync can acquire and drop it. Move all lock operation out of l_icloglock and assert that the lock is held when it is called. Note that it would make sense to extende this scheme to xlog_state_release_iclog, but the locking in there is more complicated and we'd like to keep the atomic_dec_and_lock optmization for those callers not having l_icloglock yet. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* stop using igrab in xfs_vn_linkChristoph Hellwig2008-12-03
| | | | | | | | | | | | | | ->link is guranteed to get an already reference inode passed so we can do a simple increment of i_count instead of using igrab and thus avoid banging on the global inode_lock. This is what most filesystems already do. Also move the increment after the call to xfs_link to simplify error handling. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* kill xfs_buf_iostartChristoph Hellwig2008-12-03
| | | | | | | | | | | | | | | xfs_buf_iostart is a "shared" helper for xfs_buf_read_flags, xfs_bawrite, and xfs_bdwrite - except that there isn't much shared code but rather special cases for each caller. So remove this function and move the functionality to the caller. xfs_bawrite and xfs_bdwrite are now big enough to be moved out of line and the xfs_buf_read_flags is moved into a new helper called _xfs_buf_read. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* cleanup the inode reclaim pathChristoph Hellwig2008-12-03
| | | | | | | | | | Merge xfs_iextract and xfs_idestroy into xfs_ireclaim as they are never called individually. Also rewrite most comments in this area as they were severly out of date. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove unused prototypes for xfs_ihash_init / xfs_ihash_freeChristoph Hellwig2008-12-03
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove unused behvavior cruft in xfs_super.hChristoph Hellwig2008-12-03
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* remove useless mnt_want_write call in xfs_writeChristoph Hellwig2008-12-03
| | | | | | | | | | | | When mnt_want_write was introduced a call to it was added around xfs_ichgtime, but there is no need for this because a file can't be open read/write on a r/o mount, and a mount can't degrade r/o while we still have files open for writing. As the mnt_want_write changes were never merged into the CVS tree this patch is for mainline only. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* [XFS] fix compile on 32 bit systemsChristoph Hellwig2008-12-03
| | | | | | | | | | | | | | The recent compat patches make xfs_file.c include xfs_ioctl32.h unconditional, which breaks the build on 32 bit systems which don't have the various compat defintions. Remove the include and move the defintion of xfs_file_compat_ioctl to xfs_ioctl.h so that we can avoid including all the compat defintions in xfs_file.c Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Reorder xfs_ioctl32.c for some tidinesssandeen@sandeen.net2008-12-02
| | | | | | | | | Put things in IMHO a more readable order, now that it's all done; add some comments. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Hook up compat XFS_IOC_FSSETDM_BY_HANDLE ioctl handlersandeen@sandeen.net2008-12-02
| | | | | | | | | | | Add a compat handler for XFS_IOC_FSSETDM_BY_HANDLE. I haven't tested this, lacking dmapi tools to do so (unless xfsqa magically gets this somehow?) Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Hook up compat XFS_IOC_ATTRMULTI_BY_HANDLE ioctl handlersandeen@sandeen.net2008-12-02
| | | | | | | | Add a compat handler for XFS_IOC_ATTRMULTI_BY_HANDLE Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Hook up compat XFS_IOC_ATTRLIST_BY_HANDLE ioctl handlersandeen@sandeen.net2008-12-02
| | | | | | | | Add a compat handler for XFS_IOC_ATTRLIST_BY_HANDLE Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix compat XFS_IOC_FSBULKSTAT_SINGLE ioctlsandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | The XFS_IOC_FSBULKSTAT_SINGLE ioctl passes in the desired inode number, while XFS_IOC_FSBULKSTAT passes in the previous/last-stat'd inode number. The compat handler wasn't differentiating these, so when a XFS_IOC_FSBULKSTAT_SINGLE request for inode 128 was sent in, stat information for 131 was sent out. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix xfs_bulkstat_one size checks & error handlingsandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | | | | | | | | The 32-bit xfs_blkstat_one handler was failing because a size check checked whether the remaining (32-bit) user buffer was less than the (64-bit) bulkstat buffer, and failed with ENOMEM if so. Move this check into the respective handlers so that they check the correct sizes. Also, the formatters were returning negative errors or positive bytes copied; this was odd in the positive error value world of xfs, and handled wrong by at least some of the callers, which treated the bytes returned as an error value. Move the bytes-used assignment into the formatters. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Make the bulkstat_one compat ioctl handling more sanesandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | | | | | | Currently the compat formatter was handled by passing in "private_data" for the xfs_bulkstat_one formatter, which was really just another formatter... IMHO this got confusing. Instead, just make a new xfs_bulkstat_one_compat formatter for xfs_bulkstat, and call it via a wrapper. Also, don't translate the ioctl nrs into their native counterparts, that just clouds the issue; we're in a compat handler anyway, just switch on the 32-bit cmds. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Add compat handlers for data & rt growfs ioctlssandeen@sandeen.net2008-12-02
| | | | | | | | | | The args for XFS_IOC_FSGROWFSDATA and XFS_IOC_FSGROWFSRTA have padding on the end on intel, so add arg copyin functions, and then just call the growfs ioctl helpers. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Add compat handlers for swapext ioctlsandeen@sandeen.net2008-12-02
| | | | | | | | | | | The big hitter here was the bstat field, which contains different sized time_t on 32 vs. 64 bit. Add a copyin function to translate the 32-bit arg to 64-bit, and call the swapext ioctl helper. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Clean up some existing compat ioctl callssandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | | | | | | | | Create a new xfs_ioctl.h file which has prototypes for ioctl helpers that may be called in compat mode. Change several compat ioctl cases which are IOW to simply copy in the userspace argument, then call the common ioctl helper. This also fixes xfs_compat_ioc_fsgeometry_v1(), which had it backwards before; it copied in an (empty) arg, then copied out the native result, which probably corrupted userspace. It should be translating on the copyout. Also, a bit of formatting cleanup for consistency, and conversion of all error returns to use XFS_ERROR(). Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Move compat ioctl structs & numbers into xfs_ioctl32.hsandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | | | | This makes the c file less cluttered and a bit more readable. Consistently name the ioctl number macros with "_32" and the compatibility stuctures with "_compat." Rename the helpers which simply copy in the arg with "_copyin" for easy identification. Finally, for a few of the existing helpers, modify them so that they directly call the native ioctl helper after userspace argument fixup. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Move copy_from_user calls out of ioctl helpers into ioctl switch.sandeen@sandeen.net2008-12-02
| | | | | | | | | | | | | | Moving the copy_from_user out of some of the ioctl helpers will make it easier for the compat ioctl switch to copy in the right struct, then just pass to the underlying helper. Also, move common access checks into the helpers themselves, and out of the native ioctl switch code, to reduce code duplication between native & compat ioctl callers. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] fix error handling in xlog_recover_process_one_iunlinkChristoph Hellwig2008-11-30
| | | | | | | | | | | If we fail after xfs_iget we have to drop the reference count, spotted by Dave Chinner. Also remove some useless asserts and stop trying to deal with di_mode == 0 inodes because never gets those without passing the IGET_CREATE flag to xfs_iget. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* [XFS] move inode allocation out xfs_ireadChristoph Hellwig2008-11-30
| | | | | | | | | | Allocate the inode in xfs_iget_cache_miss and pass it into xfs_iread. This simplifies the error handling and allows xfs_iread to be shared with userspace which already uses these semantics. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* [XFS] kill the XFS_IMAP_BULKSTAT flagChristoph Hellwig2008-11-30
| | | | | | | | | Just pass down the XFS_IGET_* flags all the way down to xfs_imap instead of translating them mid-way. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* [XFS] embededd struct xfs_imap into xfs_inodeChristoph Hellwig2008-11-30
| | | | | | | | | | | | Most uses of struct xfs_imap are to map and inode to a buffer. To avoid copying around the inode location information we should just embedd a strcut xfs_imap into the xfs_inode. To make sure it doesn't bloat an inode the im_len is changed to a ushort, which is fine as that's what the users exepect anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
* [XFS] merge xfs_imap into xfs_dilocateChristoph Hellwig2008-11-30
| | | | | | | | | | | | | xfs_imap is the only caller of xfs_dilocate and doesn't add any significant value. Merge the two functions and document the various cases we have for inode cluster lookup in the new xfs_imap. Also remove the unused im_agblkno and im_ioffset fields from struct xfs_imap while we're at it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com>
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