Merge tag 'gfs2-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Fix some compiler and kernel-doc warnings

 - Various minor cleanups and optimizations

 - Add a new sysfs gfs2 status file with some filesystem wide
   information

* tag 'gfs2-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Fix fall-through warnings for Clang
  gfs2: Fix a number of kernel-doc warnings
  gfs2: Make gfs2_setattr_simple static
  gfs2: Add new sysfs file for gfs2 status
  gfs2: Silence possible null pointer dereference warning
  gfs2: Turn gfs2_meta_indirect_buffer into gfs2_meta_buffer
  gfs2: Replace gfs2_lblk_to_dblk with gfs2_get_extent
  gfs2: Turn gfs2_extent_map into gfs2_{get,alloc}_extent
  gfs2: Add new gfs2_iomap_get helper
  gfs2: Remove unused variable sb_format
  gfs2: Fix dir.c function parameter descriptions
  gfs2: Eliminate gh parameter from go_xmote_bh func
  gfs2: don't create empty buffers for NO_CREATE

1 files changed, 5 insertions, 3 deletions

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 89c37a845e64..c3b00ba92ed2 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -743,7 +743,7 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp)
 }
 
 /**
- * gfs2_compute_bitstructs - Compute the bitmap sizes
+ * compute_bitstructs - Compute the bitmap sizes
  * @rgd: The resource group descriptor
  *
  * Calculates bitmap descriptors, one for each block that contains bitmap data
@@ -1534,8 +1534,9 @@ static void rs_insert(struct gfs2_inode *ip)
 }
 
 /**
- * rgd_free - return the number of free blocks we can allocate.
+ * rgd_free - return the number of free blocks we can allocate
  * @rgd: the resource group
+ * @rs: The reservation to free
  *
  * This function returns the number of free blocks for an rgrp.
  * That's the clone-free blocks (blocks that are free, not including those
@@ -1783,7 +1784,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
 			goto next_bitmap;
 		}
 		rbm->offset = offset;
-		if (!rs)
+		if (!rs || !minext)
 			return 0;
 
 		ret = gfs2_reservation_check_and_update(rbm, rs, *minext,
@@ -2019,6 +2020,7 @@ static bool gfs2_select_rgrp(struct gfs2_rgrpd **pos, const struct gfs2_rgrpd *b
 
 /**
  * fast_to_acquire - determine if a resource group will be fast to acquire
+ * @rgd: The rgrp
  *
  * If this is one of our preferred rgrps, it should be quicker to acquire,
  * because we tried to set ourselves up as dlm lock master.