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Diffstat (limited to 'fs/xfs/libxfs/xfs_rtbitmap.h')
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h
index 152a66750a..6186585f2c 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.h
+++ b/fs/xfs/libxfs/xfs_rtbitmap.h
@@ -360,6 +360,19 @@ xfs_filblks_t xfs_rtsummary_blockcount(struct xfs_mount *mp,
unsigned int rsumlevels, xfs_extlen_t rbmblocks);
unsigned long long xfs_rtsummary_wordcount(struct xfs_mount *mp,
unsigned int rsumlevels, xfs_extlen_t rbmblocks);
+
+void xfs_rtbitmap_lock(struct xfs_trans *tp, struct xfs_mount *mp);
+void xfs_rtbitmap_unlock(struct xfs_mount *mp);
+
+/* Lock the rt bitmap inode in shared mode */
+#define XFS_RBMLOCK_BITMAP (1U << 0)
+/* Lock the rt summary inode in shared mode */
+#define XFS_RBMLOCK_SUMMARY (1U << 1)
+
+void xfs_rtbitmap_lock_shared(struct xfs_mount *mp,
+ unsigned int rbmlock_flags);
+void xfs_rtbitmap_unlock_shared(struct xfs_mount *mp,
+ unsigned int rbmlock_flags);
#else /* CONFIG_XFS_RT */
# define xfs_rtfree_extent(t,b,l) (-ENOSYS)
# define xfs_rtfree_blocks(t,rb,rl) (-ENOSYS)
@@ -378,6 +391,10 @@ xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents)
# define xfs_rtbitmap_wordcount(mp, r) (0)
# define xfs_rtsummary_blockcount(mp, l, b) (0)
# define xfs_rtsummary_wordcount(mp, l, b) (0)
+# define xfs_rtbitmap_lock(tp, mp) do { } while (0)
+# define xfs_rtbitmap_unlock(mp) do { } while (0)
+# define xfs_rtbitmap_lock_shared(mp, lf) do { } while (0)
+# define xfs_rtbitmap_unlock_shared(mp, lf) do { } while (0)
#endif /* CONFIG_XFS_RT */
#endif /* __XFS_RTBITMAP_H__ */