[PATCH] xfs: Convert to use the preferred fallthrough macro

From: Miaohe Lin
Date: Thu Aug 20 2020 - 07:48:03 EST

Convert the uses of fallthrough comments to fallthrough macro. Please see
commit 294f69e662d1 ("compiler_attributes.h: Add 'fallthrough' pseudo
keyword for switch/case use") for detail.

Signed-off-by: Hongxiang Lou <louhongxiang@xxxxxxxxxx>
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_ag_resv.c | 4 ++--
fs/xfs/libxfs/xfs_da_btree.c | 2 +-
fs/xfs/scrub/bmap.c | 2 +-
fs/xfs/scrub/btree.c | 2 +-
fs/xfs/scrub/common.c | 6 +++---
fs/xfs/scrub/dabtree.c | 2 +-
fs/xfs/scrub/repair.c | 2 +-
fs/xfs/xfs_bmap_util.c | 2 +-
fs/xfs/xfs_file.c | 2 +-
fs/xfs/xfs_fsmap.c | 2 +-
fs/xfs/xfs_ioctl.c | 2 +-
fs/xfs/xfs_trans_buf.c | 2 +-
12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c
index fdfe6dc0d307..0b061a027e4e 100644
--- a/fs/xfs/libxfs/xfs_ag_resv.c
+++ b/fs/xfs/libxfs/xfs_ag_resv.c
@@ -338,7 +338,7 @@ xfs_ag_resv_alloc_extent(
break;
default:
ASSERT(0);
- /* fall through */
+ fallthrough;
case XFS_AG_RESV_NONE:
field = args->wasdel ? XFS_TRANS_SB_RES_FDBLOCKS :
XFS_TRANS_SB_FDBLOCKS;
@@ -380,7 +380,7 @@ xfs_ag_resv_free_extent(
break;
default:
ASSERT(0);
- /* fall through */
+ fallthrough;
case XFS_AG_RESV_NONE:
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (int64_t)len);
return;
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index e46bc03365db..5a13bfe0ebbf 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -282,7 +282,7 @@ xfs_da3_node_read_verify(
__this_address);
break;
}
- /* fall through */
+ fallthrough;
case XFS_DA_NODE_MAGIC:
fa = xfs_da3_node_verify(bp);
if (fa)
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 955302e7cdde..6abd469d49d2 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -270,7 +270,7 @@ xchk_bmap_iextent_xref(
case XFS_DATA_FORK:
if (xfs_is_reflink_inode(info->sc->ip))
break;
- /* fall through */
+ fallthrough;
case XFS_ATTR_FORK:
xchk_xref_is_not_shared(info->sc, agbno,
irec->br_blockcount);
diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c
index f52a7b8256f9..990a379fc322 100644
--- a/fs/xfs/scrub/btree.c
+++ b/fs/xfs/scrub/btree.c
@@ -43,7 +43,7 @@ __xchk_btree_process_error(
/* Note the badness but don't abort. */
sc->sm->sm_flags |= errflag;
*error = 0;
- /* fall through */
+ fallthrough;
default:
if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
trace_xchk_ifork_btree_op_error(sc, cur, level,
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 18876056e5e0..63f13c8ed8c7 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -81,7 +81,7 @@ __xchk_process_error(
/* Note the badness but don't abort. */
sc->sm->sm_flags |= errflag;
*error = 0;
- /* fall through */
+ fallthrough;
default:
trace_xchk_op_error(sc, agno, bno, *error,
ret_ip);
@@ -134,7 +134,7 @@ __xchk_fblock_process_error(
/* Note the badness but don't abort. */
sc->sm->sm_flags |= errflag;
*error = 0;
- /* fall through */
+ fallthrough;
default:
trace_xchk_file_op_error(sc, whichfork, offset, *error,
ret_ip);
@@ -713,7 +713,7 @@ xchk_get_inode(
if (error)
return -ENOENT;
error = -EFSCORRUPTED;
- /* fall through */
+ fallthrough;
default:
trace_xchk_op_error(sc,
XFS_INO_TO_AGNO(mp, sc->sm->sm_ino),
diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index e56786f0a13c..2b3fb0b37e18 100644
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -47,7 +47,7 @@ xchk_da_process_error(
/* Note the badness but don't abort. */
sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
*error = 0;
- /* fall through */
+ fallthrough;
default:
trace_xchk_file_op_error(sc, ds->dargs.whichfork,
xfs_dir2_da_to_db(ds->dargs.geo,
diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index 25e86c71e7b9..c814b18efba9 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -944,7 +944,7 @@ xrep_ino_dqattach(
xrep_force_quotacheck(sc, XFS_DQTYPE_GROUP);
if (XFS_IS_PQUOTA_ON(sc->mp) && !sc->ip->i_pdquot)
xrep_force_quotacheck(sc, XFS_DQTYPE_PROJ);
- /* fall through */
+ fallthrough;
case -ESRCH:
error = 0;
break;
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 73cafc843cd7..6045cc20b0fb 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -244,7 +244,7 @@ xfs_bmap_count_blocks(
*/
*count += btblocks - 1;

- /* fall through */
+ fallthrough;
case XFS_DINODE_FMT_EXTENTS:
*nextents = xfs_bmap_count_leaves(ifp, count);
break;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index c31cd3be9fb2..976306724093 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -772,7 +772,7 @@ xfs_break_layouts(
error = xfs_break_dax_layouts(inode, &retry);
if (error || retry)
break;
- /* fall through */
+ fallthrough;
case BREAK_WRITE:
error = xfs_break_leased_layouts(inode, iolock, &retry);
break;
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 4eebcec4aae6..c334550aeea7 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -100,7 +100,7 @@ xfs_fsmap_owner_to_rmap(
dest->rm_owner = XFS_RMAP_OWN_COW;
break;
case XFS_FMR_OWN_DEFECTIVE: /* not implemented */
- /* fall through */
+ fallthrough;
default:
return -EINVAL;
}
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6f22a66777cd..85d6631f7e99 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -557,7 +557,7 @@ xfs_ioc_attrmulti_one(
case ATTR_OP_REMOVE:
value = NULL;
*len = 0;
- /* fall through */
+ fallthrough;
case ATTR_OP_SET:
error = mnt_want_write_file(parfilp);
if (error)
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 11cd666cd99a..86ba71580ffd 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -310,7 +310,7 @@ xfs_trans_read_buf_map(
default:
if (tp && (tp->t_flags & XFS_TRANS_DIRTY))
xfs_force_shutdown(tp->t_mountp, SHUTDOWN_META_IO_ERROR);
- /* fall through */
+ fallthrough;
case -ENOMEM:
case -EAGAIN:
return error;
--
2.19.1