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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/btree.c | |
| parent | 7ac9fb9c2a50963b699b3548e6f00698c1554dc6 (diff) | |
| download | lwn-84adede31267af37141da2b2b04293c5ea8af7ae.tar.gz lwn-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/btree.c')
| -rw-r--r-- | fs/hfsplus/btree.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index f75cf222b8b4..27504f57a485 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -61,12 +61,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) if (id == HFSPLUS_EXT_CNID) { tree->keycmp = hfsplus_ext_cmp_key; } else if (id == HFSPLUS_CAT_CNID) { - if ((HFSPLUS_SB(sb)->flags & HFSPLUS_SB_HFSX) && + if (test_bit(HFSPLUS_SB_HFSX, &HFSPLUS_SB(sb)->flags) && (head->key_type == HFSPLUS_KEY_BINARY)) tree->keycmp = hfsplus_cat_bin_cmp_key; else { tree->keycmp = hfsplus_cat_case_cmp_key; - HFSPLUS_SB(sb)->flags |= HFSPLUS_SB_CASEFOLD; + set_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags); } } else { printk(KERN_ERR "hfs: unknown B*Tree requested\n"); |