[PATCH] xfs: Use fallthrough pseudo-keyword

From: Gustavo A. R. Silva
Date: Tue Jul 07 2020 - 15:59:41 EST

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_ag_resv.c | 4 ++--
fs/xfs/libxfs/xfs_alloc.c | 2 +-
fs/xfs/libxfs/xfs_da_btree.c | 2 +-
fs/xfs/libxfs/xfs_inode_buf.c | 4 ++--
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_export.c | 4 ++--
fs/xfs/xfs_file.c | 2 +-
fs/xfs/xfs_fsmap.c | 2 +-
fs/xfs/xfs_inode.c | 2 +-
fs/xfs/xfs_ioctl.c | 4 ++--
fs/xfs/xfs_iomap.c | 2 +-
fs/xfs/xfs_trans_buf.c | 2 +-
17 files changed, 23 insertions(+), 23 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_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 203e74fa64aa..6b153e6ee342 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -3119,7 +3119,7 @@ xfs_alloc_vextent(
}
args->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno);
args->type = XFS_ALLOCTYPE_NEAR_BNO;
- /* FALLTHROUGH */
+ fallthrough;
case XFS_ALLOCTYPE_FIRST_AG:
/*
* Rotate through the allocation groups looking for a winner.
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 897749c41f36..c48beec0c0df 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -276,7 +276,7 @@ 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/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 6f84ea85fdd8..63b0d86ff985 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -439,8 +439,8 @@ xfs_dinode_verify_forkoff(
if (dip->di_forkoff != (roundup(sizeof(xfs_dev_t), 8) >> 3))
return __this_address;
break;
- case XFS_DINODE_FMT_LOCAL: /* fall through ... */
- case XFS_DINODE_FMT_EXTENTS: /* fall through ... */
+ case XFS_DINODE_FMT_LOCAL:
+ case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
if (dip->di_forkoff >= (XFS_LITINO(mp) >> 3))
return __this_address;
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 7badd6dfe544..10e8599b34f6 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -252,7 +252,7 @@ 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 44b15015021f..238a0cab792c 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 db3cfd12803d..90948ca758a7 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_DQ_GROUP);
if (XFS_IS_PQUOTA_ON(sc->mp) && !sc->ip->i_pdquot)
xrep_force_quotacheck(sc, XFS_DQ_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 f37f5cc4b19f..035896e81104 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_export.c b/fs/xfs/xfs_export.c
index 5a4b0119143a..bc5fcb631c51 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -84,7 +84,7 @@ xfs_fs_encode_fh(
case FILEID_INO32_GEN_PARENT:
fid->i32.parent_ino = XFS_I(parent)->i_ino;
fid->i32.parent_gen = parent->i_generation;
- /*FALLTHRU*/
+ fallthrough;
case FILEID_INO32_GEN:
fid->i32.ino = XFS_I(inode)->i_ino;
fid->i32.gen = inode->i_generation;
@@ -92,7 +92,7 @@ xfs_fs_encode_fh(
case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
fid64->parent_ino = XFS_I(parent)->i_ino;
fid64->parent_gen = parent->i_generation;
- /*FALLTHRU*/
+ fallthrough;
case FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG:
fid64->ino = XFS_I(inode)->i_ino;
fid64->gen = inode->i_generation;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 00db81eac80d..b85d1da85b82 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -769,7 +769,7 @@ 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_inode.c b/fs/xfs/xfs_inode.c
index 9aea7d68d8ab..52ce37ed14de 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -906,7 +906,7 @@ xfs_ialloc(
if (pip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
ip->i_d.di_flags2 |= XFS_DIFLAG2_DAX;
}
- /* FALLTHROUGH */
+ fallthrough;
case S_IFLNK:
ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS;
ip->i_df.if_flags = XFS_IFEXTENTS;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a190212ca85d..ea366a645c8e 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)
@@ -1660,7 +1660,7 @@ xfs_ioc_getbmap(
switch (cmd) {
case XFS_IOC_GETBMAPA:
bmx.bmv_iflags = BMV_IF_ATTRFORK;
- /*FALLTHRU*/
+ fallthrough;
case XFS_IOC_GETBMAP:
if (file->f_mode & FMODE_NOCMTIME)
bmx.bmv_iflags |= BMV_IF_NO_DMAPI_READ;
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index b9a8c3798e08..fc4b65b24fdf 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1002,7 +1002,7 @@ xfs_buffered_write_iomap_begin(
prealloc_blocks = 0;
goto retry;
}
- /*FALLTHRU*/
+ fallthrough;
default:
goto out_unlock;
}
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 08174ffa2118..ad79065607cc 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;

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Previous message: David Miller: "Re: [PATCH] net: usb: qmi_wwan: add support for Quectel EG95 LTE modem"
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