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* xfs: decouple log and transaction headersDave Chinner2013-10-231-2/+3
| | | | | | | | | | | | | | | | | | | | | xfs_trans.h has a dependency on xfs_log.h for a couple of structures. Most code that does transactions doesn't need to know anything about the log, but this dependency means that they have to include xfs_log.h. Decouple the xfs_trans.h and xfs_log.h header files and clean up the includes to be in dependency order. In doing this, remove the direct include of xfs_trans_reserve.h from xfs_trans.h so that we remove the dependency between xfs_trans.h and xfs_mount.h. Hence the xfs_trans.h include can be moved to the indicate the actual dependencies other header files have on it. Note that these are kernel only header files, so this does not translate to any userspace changes at all. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
* xfs: create a shared header file for format-related informationDave Chinner2013-10-231-0/+1
| | | | | | | | | | | | | | | | | | | All of the buffer operations structures are needed to be exported for xfs_db, so move them all to a common location rather than spreading them all over the place. They are verifying the on-disk format, so while xfs_format.h might be a good place, it is not part of the on disk format. Hence we need to create a new header file that we centralise these related definitions. Start by moving the bffer operations structures, and then also move all the other definitions that have crept into xfs_log_format.h and xfs_format.h as there was no other shared header file to put them in. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com>
* xfs: make struct xfs_perag kernel onlyDave Chinner2013-08-131-0/+1
| | | | | | | | | | | | | The struct xfs_perag has many kernel-only definitions in it, requiring a __KERNEL__ guard so userspace can use it to. Move it to xfs_mount.h so that it it kernel-only, and let userspace redefine it's own version of the structure containing only what it needs. This gets rid of another __KERNEL__ check in the XFS header files. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
* xfs: split out the remote symlink handlingDave Chinner2013-08-121-0/+199
The remote symlink format definition and manipulation needs to be shared with userspace, but the in-kernel interfaces do not. Split the remote symlink format handling out into xfs_symlink_remote.[ch] fo it can easily be shared with userspace. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>