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* ocfs2: Silence false lockdep warningsJan Kara2008-01-251-2/+2
| | | | | | | | | Create separate lockdep lock classes for system file's i_mutexes. They are used to guard allocations and similar things and thus rank differently than i_mutex of a regular file or directory. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: Rename ocfs2_meta_[un]lockMark Fasheh2008-01-251-2/+2
| | | | | | | Call this the "inode_lock" now, since it covers both data and meta data. This patch makes no functional changes. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* exportfs: make struct export_operations constChristoph Hellwig2007-10-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | 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>
* ocfs2: new export opsChristoph Hellwig2007-10-221-41/+24
| | | | | | | | | | | | OCFS2 has it's own 64bit-firendly filehandle format so we can't use the generic helpers here. I'll add a struct for the types later. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Neil Brown <neilb@suse.de> Cc: "J. Bruce Fields" <bfields@fieldses.org> 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>
* ocfs2: Provide convenience function for ino lookupMark Fasheh2007-10-121-7/+1
| | | | | | | | | | | A couple paths which needed to just match a parent dir + name pair to an inode number were a bit messy because they had to deal with ocfs2_find_files_on_disk() which returns a larger number of values. Provide a convenience function, ocfs2_lookup_ino_from_name() which internalizes all the extra accounting. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com>
* ocfs2: fix sparse warnings in fs/ocfs2Mark Fasheh2007-05-021-2/+4
| | | | | | | None of these are actually harmful, but the noise makes looking for real problems difficult. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: cleanup ocfs2_iget() errorsMark Fasheh2007-01-211-4/+1
| | | | | | | Get rid of some error prints in the ocfs2_iget() path from ocfs2_get_dentry(). NFSD can easily cause us to read stale inodes. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: remove unused handle argument from ocfs2_meta_lock_full()Mark Fasheh2006-12-011-1/+1
| | | | | | Now that this is unused and all callers pass NULL, we can safely remove it. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: Remove i_generation from inode lock namesMark Fasheh2006-09-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | OCFS2 puts inode meta data in the "lock value block" provided by the DLM. Typically, i_generation is encoded in the lock name so that a deleted inode on and a new one in the same block don't share the same lvb. Unfortunately, that scheme means that the read in ocfs2_read_locked_inode() is potentially thrown away as soon as the meta data lock is taken - we cannot encode the lock name without first knowing i_generation, which requires a disk read. This patch encodes i_generation in the inode meta data lvb, and removes the value from the inode meta data lock name. This way, the read can be covered by a lock, and at the same time we can distinguish between an up to date and a stale LVB. This will help cold-cache stat(2) performance in particular. Since this patch changes the protocol version, we take the opportunity to do a minor re-organization of two of the LVB fields. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: Hook rest of the file system into dentry locking APIMark Fasheh2006-09-241-0/+4
| | | | | | | Actually replace the vote calls with the new dentry operations. Make any necessary adjustments to get the scheme to work. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: don't use MLF* in the file systemMark Fasheh2006-03-241-11/+13
| | | | Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] OCFS2: The Second Oracle Cluster FilesystemMark Fasheh2006-01-031-0/+248
The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
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