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* Revert "GFS2: Fix use-after-free bug on umount"Steven Whitehouse2009-01-05
| | | | | | | | | | This reverts commit 78802499912f1ba31ce83a94c55b5a980f250a43. The original patch is causing problems in relation to order of operations at umount in relation to jdata files. I need to fix this a different way. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Fix use-after-free bug on umountSteven Whitehouse2009-01-05
| | | | | | | | | | | | | | | There was a use-after-free with the GFS2 super block during umount. This patch moves almost all of the umount code from ->put_super into ->kill_sb, the only bit that cannot be moved being the glock hash clearing which has to remain as ->put_super due to umount ordering requirements. As a result its now obvious that the kfree is the final operation, whereas before it was hidden in ->put_super. Also gfs2_jindex_free is then only referenced from a single file so thats moved and marked static too. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Move four functions from super.cSteven Whitehouse2009-01-05
| | | | | | | | | | The functions which are being moved can all be marked static in their new locations, since they only have a single caller each. Their new locations are more logical than before and some of the functions are small enough that the compiler might well inline them. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Fix bug in gfs2_lock_fs_check_clean()Steven Whitehouse2009-01-05
| | | | | | | | | gfs2_lock_fs_check_clean() should not be calling gfs2_jindex_hold() since it doesn't work like rindex hold, despite the comment. That allows gfs2_jindex_hold() to be moved into ops_fstype.c where it can be made static. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Banish struct gfs2_rgrpd_hostSteven Whitehouse2009-01-05
| | | | | | | | | This patch moves the final field so that we can get rid of struct gfs2_rgrpd_host, as promised some time ago. Also by rearranging the fields slightly, we are able to reduce the size of the gfs2_rgrpd structure at the same time. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Move rg_free from gfs2_rgrpd_host to gfs2_rgrpdSteven Whitehouse2009-01-05
| | | | | | | The second of three fields which need to move, in order to remove the struct gfs2_rgrpd_host. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Move i_size from gfs2_dinode_host and rename it to i_disksizeSteven Whitehouse2009-01-05
| | | | | | | This patch moved the i_size field from the gfs2_dinode_host and following the ext3 convention renames it i_disksize. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Fix metafs mountsSteven Whitehouse2008-08-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is intended to fix the issues reported in bz #457798. Instead of having the metafs as a separate filesystem, it becomes a second root of gfs2. As a result it will appear as type gfs2 in /proc/mounts, but it is still possible (for backwards compatibility purposes) to mount it as type gfs2meta. A new mount flag "meta" is introduced so that its possible to tell the two cases apart in /proc/mounts. As a result it becomes possible to mount type gfs2 with -o meta and get the same result as mounting type gfs2meta. So it is possible to mount just the metafs on its own. Currently if you do this, its then impossible to mount the "normal" root of the gfs2 filesystem without first unmounting the metafs root. I'm not sure if thats a feature or a bug :-) Either way, this is a great improvement on the previous scheme and I've verified that it works ok with bind mounts on both the "normal" root and the metafs root in various combinations. There were also a bunch of functions in super.c which didn't belong there, so this moves them into ops_fstype.c where they can be static. Hopefully the mount/umount sequence is now more obvious as a result. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Alexander Viro <aviro@redhat.com>
* [PATCH] don't pass nameidata to gfs2_lookupi()Al Viro2008-07-26
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* [GFS2] Remove support for unused and pointless flagSteven Whitehouse2008-07-10
| | | | | | | | The ability to mark files for direct i/o access when opened normally is both unused and pointless, so this patch removes support for that feature. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Clean up the glock coreSteven Whitehouse2008-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements a number of cleanups to the core of the GFS2 glock code. As a result a lot of code is removed. It looks like a really big change, but actually a large part of this patch is either removing or moving existing code. There are some new bits too though, such as the new run_queue() function which is considerably streamlined. Highlights of this patch include: o Fixes a cluster coherency bug during SH -> EX lock conversions o Removes the "glmutex" code in favour of a single bit lock o Removes the ->go_xmote_bh() for inodes since it was duplicating ->go_lock() o We now only use the ->lm_lock() function for both locks and unlocks (i.e. unlock is a lock with target mode LM_ST_UNLOCKED) o The fast path is considerably shortly, giving performance gains especially with lock_nolock o The glock_workqueue is now used for all the callbacks from the DLM which allows us to simplify the lock_dlm module (see following patch) o The way is now open to make further changes such as eliminating the two threads (gfs2_glockd and gfs2_scand) in favour of a more efficient scheme. This patch has undergone extensive testing with various test suites so it should be pretty stable by now. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Bob Peterson <rpeterso@redhat.com>
* [GFS2] fix GFP_KERNEL misusesJosef Bacik2008-04-10
| | | | | | | | | | | There are several places where GFP_KERNEL allocations happen under a glock, which will result in hangs if we're under memory pressure and go to re-enter the fs in order to flush stuff out. This patch changes the culprits to GFS_NOFS to keep this problem from happening. Thank you, Signed-off-by: Josef Bacik <jbacik@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Streamline indirect pointer tree height calculationSteven Whitehouse2008-03-31
| | | | | | | | | | | | | | This patch improves the calculation of the tree height in order to reduce the number of operations which are carried out on each call to gfs2_block_map. In the common case, we now make a single comparison, rather than calculating the required tree height from scratch each time. Also in the case that the tree does need some extra height, we start from the current height rather from zero when we work out what the new height ought to be. In addition the di_height field is moved into the inode proper and reduced in size to a u8 since the value must be between 0 and GFS2_MAX_META_HEIGHT (10). Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Initialize extent_list earlierBob Peterson2008-01-25
| | | | | | | | | | Here is a patch for the latest upstream GFS2 code: The journal extent map needs to be initialized sooner than it currently is. Otherwise failed mount attempts (e.g. not enough journals, etc.) may panic trying to access the uninitialized list. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Eliminate the no longer needed sd_statfs_mutexBob Peterson2008-01-25
| | | | | | | | This patch eliminates the unneeded sd_statfs_mutex mutex but preserves the ordering as discussed. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Journal extent mappingBob Peterson2008-01-25
| | | | | | | | | | | This patch saves a little time when gfs2 writes to the journals by keeping a mapping between logical and physical blocks on disk. That's better than constantly looking up indirect pointers in buffers, when the journals are several levels of indirection (which they typically are). Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Don't periodically update the jindexSteven Whitehouse2008-01-25
| | | | | | | | | | | We only care about the content of the jindex in two cases, one is when we mount the fs and the other is when we need to recover another journal. In both cases we have to update the jindex anyway, so there is no point in updating it periodically between times, so this removes it to simplify gfs2_logd. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove "reclaim limit"Steven Whitehouse2008-01-25
| | | | | | | | | This call to reclaim glocks is not needed, and in particular we don't want it in the fast path for locking glocks. The limit was entirely arbitrary anyway and we can't expect users to adjust things like this, the remaining code will do the right thing on its own. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove unused variablesSteven Whitehouse2008-01-25
| | | | | | These haven't been used for some time, remove them. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove useless i_cache from inodesSteven Whitehouse2008-01-25
| | | | | | | | | | | | | | | The i_cache was designed to keep references to the indirect blocks used during block mapping so that they didn't have to be looked up continually. The idea failed because there are too many places where the i_cache needs to be freed, and this has in the past been the cause of many bugs. In addition there was no performance benefit being gained since the disk blocks in question were cached anyway. So this patch removes it in order to simplify the code to prepare for other changes which would otherwise have had to add further support for this feature. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmwLinus Torvalds2007-10-12
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (51 commits) [DLM] block dlm_recv in recovery transition [DLM] don't overwrite castparam if it's NULL [GFS2] Get superblock a different way [GFS2] Don't try to remove buffers that don't exist [GFS2] Alternate gfs2_iget to avoid looking up inodes being freed [GFS2] Data corruption fix [GFS2] Clean up journaled data writing [GFS2] GFS2: chmod hung - fix race in thread creation [DLM] Make dlm_sendd cond_resched more [GFS2] Move inode deletion out of blocking_cb [GFS2] flocks from same process trip kernel BUG at fs/gfs2/glock.c:1118! [GFS2] Clean up gfs2_trans_add_revoke() [GFS2] Use slab operations for all gfs2_bufdata allocations [GFS2] Replace revoke structure with bufdata structure [GFS2] Fix ordering of dirty/journal for ordered buffer unstuffing [GFS2] Clean up ordered write code [GFS2] Move pin/unpin into lops.c, clean up locking [GFS2] Don't mark jdata dirty in gfs2_unstuffer_page() [GFS2] Introduce gfs2_remove_from_ail [GFS2] Correct lock ordering in unlink ...
| * [GFS2] Reduce number of gfs2_scand processes to oneSteven Whitehouse2007-10-10
| | | | | | | | | | | | | | | | | | We only need a single gfs2_scand process rather than the one per filesystem which we had previously. As a result the parameter determining the frequency of gfs2_scand runs becomes a module parameter rather than a mount parameter as it was before. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | Fix up more bio falloutAl Viro2007-10-12
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Drop 'size' argument from bio_endio and bi_end_ioNeilBrown2007-10-10
|/ | | | | | | | | | | | | As bi_end_io is only called once when the reqeust is complete, the 'size' argument is now redundant. Remove it. Now there is no need for bio_endio to subtract the size completed from bi_size. So don't do that either. While we are at it, change bi_end_io to return void. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* [GFS2] Fix sign problem in quota/statfs and cleanup _host structuresSteven Whitehouse2007-07-09
| | | | | | | | | | | | | | | | | | | | | | | | This patch fixes some sign issues which were accidentally introduced into the quota & statfs code during the endianess annotation process. Also included is a general clean up which moves all of the _host structures out of gfs2_ondisk.h (where they should not have been to start with) and into the places where they are actually used (often only one place). Also those _host structures which are not required any more are removed entirely (which is the eventual plan for all of them). The conversion routines from ondisk.c are also moved into the places where they are actually used, which for almost every one, was just one single place, so all those are now static functions. This also cleans up the end of gfs2_ondisk.h which no longer needs the #ifdef __KERNEL__. The net result is a reduction of about 100 lines of code, many functions now marked static plus the bug fixes as mentioned above. For good measure I ran the code through sparse after making these changes to check that there are no warnings generated. This fixes Red Hat bz #239686 Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Clean up inode number handlingSteven Whitehouse2007-07-09
| | | | | | | | | | | | | | | | | | | | | | | This patch cleans up the inode number handling code. The main difference is that instead of looking up the inodes using a struct gfs2_inum_host we now use just the no_addr member of this structure. The tests relating to no_formal_ino can then be done by the calling code. This has advantages in that we want to do different things in different code paths if the no_formal_ino doesn't match. In the NFS patch we want to return -ESTALE, but in the ->lookup() path, its a bug in the fs if the no_formal_ino doesn't match and thus we can withdraw in this case. In order to later fix bz #201012, we need to be able to look up an inode without knowing no_formal_ino, as the only information that is known to us is the on-disk location of the inode in question. This patch will also help us to fix bz #236099 at a later date by cleaning up a lot of the code in that area. There are no user visible changes as a result of this patch and there are no changes to the on-disk format either. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove unused variableSteven Whitehouse2007-03-07
| | | | | | Remove an unused variable. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove local exclusive glock modeSteven Whitehouse2007-02-05
| | | | | | | | | | | | | | | Here is a patch for GFS2 to remove the local exclusive flag. In the places it was used, mutex's are always held earlier in the call path, so it appears redundant in the LM_ST_SHARED case. Also, the GFS2 holders were setting local exclusive in any case where the requested lock was LM_ST_EXCLUSIVE. So the other places in the glock code where the flag was tested have been replaced with tests for the lock state being LM_ST_EXCLUSIVE in order to ensure the logic is the same as before (i.e. LM_ST_EXCLUSIVE is always locally exclusive as well as globally exclusive). Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove the "greedy" function from glock.[ch]Steven Whitehouse2007-02-05
| | | | | | | | | | | | | | | The "greedy" code was an attempt to retain glocks for a minimum length of time when they relate to mmap()ed files. The current implementation of this feature is not, however, ideal in that it required allocating memory in order to do this and its overly complicated. It also misses the mark by ignoring the other I/O operations which are just as likely to suffer from the same problem. So the plan is to remove this now and then add the functionality back as part of the glock state machine at a later date (and thus take into account all the possible users of this feature) Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove max_atomic_write tunableSteven Whitehouse2007-02-05
| | | | | | This removes an unused sysfs tunable parameter. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Clean up/speed up readdirSteven Whitehouse2007-02-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes the extra filldir callback which gfs2 was using to enclose an attempt at readahead for inodes during readdir. The code was too complicated and also hurts performance badly in the case that the getdents64/readdir call isn't being followed by stat() and it wasn't even getting it right all the time when it was. As a result, on my test box an "ls" of a directory containing 250000 files fell from about 7mins (freshly mounted, so nothing cached) to between about 15 to 25 seconds. When the directory content was cached, the time taken fell from about 3mins to about 4 or 5 seconds. Interestingly in the cached case, running "ls -l" once reduced the time taken for subsequent runs of "ls" to about 6 secs even without this patch. Now it turns out that there was a special case of glocks being used for prefetching the metadata, but because of the timeouts for these locks (set to 10 secs) the metadata was being timed out before it was being used and this the prefetch code was constantly trying to prefetch the same data over and over. Calling "ls -l" meant that the inodes were brought into memory and once the inodes are cached, the glocks are not disposed of until the inodes are pushed out of the cache, thus extending the lifetime of the glocks, and thus bringing down the time for subsequent runs of "ls" considerably. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Add a comment about reading the super blockSteven Whitehouse2006-11-30
| | | | | | | | | The comment explains why we use the bio functions to read the super block. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Andrew Morton <akpm@osdl.org> Cc: Srinivasa Ds <srinivasa@in.ibm.com>
* [GFS2] Mount problem with the GFS2 codeSrinivasa Ds2006-11-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | While mounting the gfs2 filesystem,our test team had a problem and we got this error message. ======================================================= GFS2: fsid=: Trying to join cluster "lock_nolock", "dasde1" GFS2: fsid=dasde1.0: Joined cluster. Now mounting FS... GFS2: not a GFS2 filesystem GFS2: fsid=dasde1.0: can't read superblock: -22 ========================================================================== On debugging further we found that problem is while reading the super block(gfs2_read_super) and comparing the magic number in it. When I replace the submit_bio() call(present in gfs2_read_super) with the sb_getblk() and ll_rw_block(), mount operation succeded. On further analysis we found that before calling submit_bio(), bio->bi_sector was set to "sector" variable. This "sector" variable has the same value of bh->b_blocknr(block number). Hence there is a need to multiply this valuwith (blocksize >> 9)(9 because,sector size 2^9,samething happens in ll_rw_block also, before calling submit_bio()). So I have developed the patch which solves this problem. Please let me know your comments. ================================================================ Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Simplify glops functionsSteven Whitehouse2006-11-30
| | | | | | | | | | | | | | The go_sync callback took two flags, but one of them was set on every call, so this patch removes once of the flags and makes the previously conditional operations (on this flag), unconditional. The go_inval callback took three flags, each of which was set on every call to it. This patch removes the flags and makes the operations unconditional, which makes the logic rather more obvious. Two now unused flags are also removed from incore.h. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] split and annotate gfs2_statfs_changeAl Viro2006-11-30
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] split and annotate gfs2_log_headAl Viro2006-11-30
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] split gfs2_sbAl Viro2006-11-30
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove duplicate sb reading codeSteven Whitehouse2006-10-02
| | | | | | | | | For some reason we had two different sets of code for reading in the superblock. This removes one of them in favour of the other. Also we don't need the temporary buffer for the sb since we already have one in the gfs2 sb itself. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2/DLM] Fix trailing whitespaceSteven Whitehouse2006-09-25
| | | | | | | As per Andrew Morton's request, removed trailing whitespace. Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Export lm_interface to kernel headersFabio Massimo Di Nitto2006-09-19
| | | | | | | | | | | | | | | lm_interface.h has a few out of the tree clients such as GFS1 and userland tools. Right now, these clients keeps a copy of the file in their build tree that can go out of sync. Move lm_interface.h to include/linux, export it to userland and clean up fs/gfs2 to use the new location. Signed-off-by: Fabio M. Di Nitto <fabbione@ubuntu.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Change all types to uX styleSteven Whitehouse2006-09-04
| | | | | | | This makes all fixed size types have consistent names. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Align all labels against LH sideSteven Whitehouse2006-09-04
| | | | | | This makes everything consistent. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Tidy up bmap/inode codeSteven Whitehouse2006-09-04
| | | | | | | | | As per Jan Engelhardt's third set of comments, this make various code style changes and moves the structures from format.h into super.c, which was the only place that format.h was actually used. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Update copyright, tidy up incore.hSteven Whitehouse2006-09-01
| | | | | | | | | | | | | | | | | | | | | | | As per comments from Jan Engelhardt <jengelh@linux01.gwdg.de> this updates the copyright message to say "version" in full rather than "v.2". Also incore.h has been updated to remove forward structure declarations which are not required. The gfs2_quota_lvb structure has now had endianess annotations added to it. Also quota.c has been updated so that we now store the lvb data locally in endian independant format to avoid needing a structure in host endianess too. As a result the endianess conversions are done as required at various points and thus the conversion routines in lvb.[ch] are no longer required. I've moved the one remaining constant in lvb.h thats used into lm.h and removed the unused lvb.[ch]. I have not changed the HIF_ constants. That is left to a later patch which I hope will unify the gh_flags and gh_iflags fields of the struct gfs2_holder. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Fix bug in super block reading codeSteven Whitehouse2006-07-27
| | | | | | This gets the argument to submit_bio() correct. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Use a bio to read the superblockSteven Whitehouse2006-07-27
| | | | | | | | | | This means that we don't need to create a special inode just to contain a struct address_space in order to read a single disk block. Instead we read the disk block directly. Its slightly faster, and uses slightly less memory, but the real reason for doing this is that it removes a special case from the glock code. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Fix unlinked file handlingSteven Whitehouse2006-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the way we have been dealing with unlinked, but still open files. It removes all limits (other than memory for inodes, as per every other filesystem) on numbers of these which we can support on GFS2. It also means that (like other fs) its the responsibility of the last process to close the file to deallocate the storage, rather than the person who did the unlinking. Note that with GFS2, those two events might take place on different nodes. Also there are a number of other changes: o We use the Linux inode subsystem as it was intended to be used, wrt allocating GFS2 inodes o The Linux inode cache is now the point which we use for local enforcement of only holding one copy of the inode in core at once (previous to this we used the glock layer). o We no longer use the unlinked "special" file. We just ignore it completely. This makes unlinking more efficient. o We now use the 4th block allocation state. The previously unused state is used to track unlinked but still open inodes. o gfs2_inoded is no longer needed o Several fields are now no longer needed (and removed) from the in core struct gfs2_inode o Several fields are no longer needed (and removed) from the in core superblock There are a number of future possible optimisations and clean ups which have been made possible by this patch. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Update copyright date to 2006Steven Whitehouse2006-05-18
| | | | Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove semaphore.h from C filesSteven Whitehouse2006-05-18
| | | | | | | We no longer use semaphores, everything has been converted to mutex or rwsem, so we don't need to include this header any more. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] [-mm patch] fs/gfs2/: possible cleanupsAdrian Bunk2006-04-28
| | | | | | | | | | | | This patch contains the following possible cleanups: - make needlessly global code static - #if 0 unused functions - remove the following global function that was both unused and unimplemented: - super.c: gfs2_do_upgrade() Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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