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| author | Christoph Hellwig <hch@tuxera.com> | 2010-10-01 05:45:20 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2010-10-01 05:45:20 +0200 |
| commit | 84adede31267af37141da2b2b04293c5ea8af7ae (patch) | |
| tree | 41c1a3e28fab11baca330232bacbff3085afde82 /fs/hfsplus/unicode.c | |
| parent | hfsplus: add per-superblock lock for volume header updates (diff) | |
| download | linux-84adede31267af37141da2b2b04293c5ea8af7ae.tar.xz linux-84adede31267af37141da2b2b04293c5ea8af7ae.zip | |
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.c | 12 |
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; |