xfs/libxfs/xfs_bmap.c

56 	int		whichfork)	/* data or attr fork */
67 	 * The maximum number of extents in a fork, hence the maximum number of
71 	 * fork offset of all the inodes will be
200  * Calculate the default attribute fork offset for newly created inodes.
212  * Helper routine to reset inode i_forkoff field when switching attribute fork
214  * available for inline data fork extents.
344 	int			whichfork)	/* data or attr fork */
549  * Inode fork format manipulation functions
565 	int			whichfork)  /* data or attr fork */
634 	int			whichfork)	/* data or attr fork */
643 	struct xfs_ifork	*ifp;		/* inode fork pointer */
796 	struct xfs_ifork *ifp;		/* inode fork pointer */
804 	 * So sending the data fork of a regular inode is invalid.
855 	/* account for the change in fork size */
952  * different data fork content type needs a different callout to do the
994  * Set an inode attr fork offset based on the format of the data fork.
1136  "Bmap BTree record corruption in inode 0x%llx %s fork detected at %pS!",
1254  * fork with at least "len" logically contiguous blocks free.  This is the
1255  * lowest-address hole if the fork has holes, else the first block past the end
1256  * of fork.  Return 0 if the fork is currently local (in-inode).
1264 	int			whichfork)	/* data or attr fork */
1311 	int			whichfork)	/* data or attr fork */
1370  * Returns 1 in bma->aeof if the file (fork) is empty as any new write will be
2018 	struct xfs_ifork	*ifp;	/* inode fork pointer */
2570 	struct xfs_ifork	*ifp;	/* inode fork pointer */
3364 		 * COW fork blocks are in-core only and thus are treated as
3368 		 * fork. So if these blocks were previously delalloc, we
3392 	/* data/attr fork only */
4047  * to the extent record that was inserted to the inode fork.
4050  * during insertion into the inode fork. Thus, got does not reflect the current
4051  * state of the inode fork on return. If necessary, the caller can use lastx to
4052  * look up the updated record in the inode fork.
4131 	 * Tag the inode if blocks were preallocated. Note that COW fork
4159 	 * Set the data type being allocated. For the data fork, the first data
4161 	 * attribute fork, we only need to ensure the allocated range is not on
4338 	 * Note: If we're only converting cow fork extents, there aren't
4366 	int			fork)
4368 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, fork);
4499 			 * CoW fork conversions should /never/ hit EOF or
4645 		 * should only happen for the COW fork, where another thread
4646 		 * might have moved the extent to the data fork in the meantime.
4677 	 * New CoW fork extents are created unwritten, turned into real extents
4679 	 * fork after the write finishes.  End of story.
4681 	 * New data fork extents must be mapped in as unwritten and converted
5105 	int			whichfork, /* data or attr fork */
5115 	struct xfs_ifork	*ifp;	/* inode fork pointer */
5363 	struct xfs_ifork	*ifp;		/* inode fork pointer */
5370 	int			whichfork;	/* data or attribute fork */
6330  * Unmap every extent in part of an inode's fork.  We don't do any higher level