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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/unicode.c
parent7ac9fb9c2a50963b699b3548e6f00698c1554dc6 (diff)
downloadlinux-84adede31267af37141da2b2b04293c5ea8af7ae.tar.bz2
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/unicode.c')
-rw-r--r--fs/hfsplus/unicode.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index a15fcffce74f..b66d67de882c 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -132,7 +132,7 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
ustrlen = be16_to_cpu(ustr->length);
len = *len_p;
ce1 = NULL;
- compose = !(HFSPLUS_SB(sb)->flags & HFSPLUS_SB_NODECOMPOSE);
+ compose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
while (ustrlen > 0) {
c0 = be16_to_cpu(*ip++);
@@ -293,7 +293,7 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
u16 *dstr, outlen = 0;
wchar_t c;
- decompose = !(HFSPLUS_SB(sb)->flags & HFSPLUS_SB_NODECOMPOSE);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
while (outlen < HFSPLUS_MAX_STRLEN && len > 0) {
size = asc2unichar(sb, astr, len, &c);
@@ -330,8 +330,8 @@ int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str)
wchar_t c;
u16 c2;
- casefold = (HFSPLUS_SB(sb)->flags & HFSPLUS_SB_CASEFOLD);
- decompose = !(HFSPLUS_SB(sb)->flags & HFSPLUS_SB_NODECOMPOSE);
+ casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
hash = init_name_hash();
astr = str->name;
len = str->len;
@@ -373,8 +373,8 @@ int hfsplus_compare_dentry(struct dentry *dentry, struct qstr *s1, struct qstr *
u16 c1, c2;
wchar_t c;
- casefold = (HFSPLUS_SB(sb)->flags & HFSPLUS_SB_CASEFOLD);
- decompose = !(HFSPLUS_SB(sb)->flags & HFSPLUS_SB_NODECOMPOSE);
+ casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
astr1 = s1->name;
len1 = s1->len;
astr2 = s2->name;