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authorChristoph Hellwig <hch@tuxera.com>2010-10-01 05:45:20 +0200
committerChristoph Hellwig <hch@lst.de>2010-10-01 05:45:20 +0200
commit84adede31267af37141da2b2b04293c5ea8af7ae (patch)
tree41c1a3e28fab11baca330232bacbff3085afde82 /fs/hfsplus/options.c
parent7ac9fb9c2a50963b699b3548e6f00698c1554dc6 (diff)
hfsplus: use atomic bitops for the superblock flags
The flags in the HFS+-specific superlock do get modified during runtime, use atomic bitops to make the modifications SMP safe. Signed-off-by: Christoph Hellwig <hch@tuxera.com>
Diffstat (limited to 'fs/hfsplus/options.c')
-rw-r--r--fs/hfsplus/options.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
index f2598aef206e..f9ab276a4d8d 100644
--- a/fs/hfsplus/options.c
+++ b/fs/hfsplus/options.c
@@ -143,13 +143,13 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
kfree(p);
break;
case opt_decompose:
- sbi->flags &= ~HFSPLUS_SB_NODECOMPOSE;
+ clear_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags);
break;
case opt_nodecompose:
- sbi->flags |= HFSPLUS_SB_NODECOMPOSE;
+ set_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags);
break;
case opt_force:
- sbi->flags |= HFSPLUS_SB_FORCE;
+ set_bit(HFSPLUS_SB_FORCE, &sbi->flags);
break;
default:
return 0;
@@ -184,7 +184,7 @@ int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt)
seq_printf(seq, ",session=%u", sbi->session);
if (sbi->nls)
seq_printf(seq, ",nls=%s", sbi->nls->charset);
- if (sbi->flags & HFSPLUS_SB_NODECOMPOSE)
+ if (test_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags))
seq_printf(seq, ",nodecompose");
return 0;
}