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| author | Dave Chinner <dchinner@redhat.com> | 2015-08-25 10:05:13 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-08-25 10:05:13 +1000 |
| commit | f79af0b9090895520c69fbe1939184c4f8ed8426 (patch) | |
| tree | 0aa681a8284ae238dce7b5a158332ce055b42052 /fs | |
| parent | 2ccf4a9b18868b0900072e6d5d15a04254a07345 (diff) | |
| download | linux-stable-f79af0b9090895520c69fbe1939184c4f8ed8426.tar.gz linux-stable-f79af0b9090895520c69fbe1939184c4f8ed8426.tar.bz2 linux-stable-f79af0b9090895520c69fbe1939184c4f8ed8426.zip | |
xfs: fix non-debug build warnings
There seem to be a couple of new set-but-unused build warnings
that gcc 4.9.3 is now warning about. These are not regressions, just
the compiler being more picky.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_buf.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf_item.c | 20 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf_item.h | 2 |
3 files changed, 15 insertions, 11 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index a4b7d92e946c..fbf4c269a7b7 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -438,7 +438,6 @@ _xfs_buf_find( xfs_buf_flags_t flags, xfs_buf_t *new_bp) { - size_t numbytes; struct xfs_perag *pag; struct rb_node **rbp; struct rb_node *parent; @@ -450,10 +449,9 @@ _xfs_buf_find( for (i = 0; i < nmaps; i++) numblks += map[i].bm_len; - numbytes = BBTOB(numblks); /* Check for IOs smaller than the sector size / not sector aligned */ - ASSERT(!(numbytes < btp->bt_meta_sectorsize)); + ASSERT(!(BBTOB(numblks) < btp->bt_meta_sectorsize)); ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_meta_sectormask)); /* diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 092d652bc03d..9cf3a86a2201 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -750,13 +750,13 @@ xfs_buf_item_free_format( * buffer (see xfs_buf_attach_iodone() below), then put the * buf log item at the front. */ -void +int xfs_buf_item_init( - xfs_buf_t *bp, - xfs_mount_t *mp) + struct xfs_buf *bp, + struct xfs_mount *mp) { - xfs_log_item_t *lip = bp->b_fspriv; - xfs_buf_log_item_t *bip; + struct xfs_log_item *lip = bp->b_fspriv; + struct xfs_buf_log_item *bip; int chunks; int map_size; int error; @@ -770,12 +770,11 @@ xfs_buf_item_init( */ ASSERT(bp->b_target->bt_mount == mp); if (lip != NULL && lip->li_type == XFS_LI_BUF) - return; + return 0; bip = kmem_zone_zalloc(xfs_buf_item_zone, KM_SLEEP); xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops); bip->bli_buf = bp; - xfs_buf_hold(bp); /* * chunks is the number of XFS_BLF_CHUNK size pieces the buffer @@ -788,6 +787,11 @@ xfs_buf_item_init( */ error = xfs_buf_item_get_format(bip, bp->b_map_count); ASSERT(error == 0); + if (error) { /* to stop gcc throwing set-but-unused warnings */ + kmem_zone_free(xfs_buf_item_zone, bip); + return error; + } + for (i = 0; i < bip->bli_format_count; i++) { chunks = DIV_ROUND_UP(BBTOB(bp->b_maps[i].bm_len), @@ -807,6 +811,8 @@ xfs_buf_item_init( if (bp->b_fspriv) bip->bli_item.li_bio_list = bp->b_fspriv; bp->b_fspriv = bip; + xfs_buf_hold(bp); + return 0; } diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index 3f3455a41510..f7eba99d19dd 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -61,7 +61,7 @@ typedef struct xfs_buf_log_item { struct xfs_buf_log_format __bli_format; /* embedded in-log header */ } xfs_buf_log_item_t; -void xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); +int xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); void xfs_buf_item_relse(struct xfs_buf *); void xfs_buf_item_log(xfs_buf_log_item_t *, uint, uint); uint xfs_buf_item_dirty(xfs_buf_log_item_t *); |