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fs: change d_hash for rcu-walk

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Change d_hash so it may be called from lock-free RCU lookups. See similar
patch for d_compare for details.

For in-tree filesystems, this is just a mechanical change.

Signed-off-by: Nick Piggin <[email protected]>
This commit is contained in:
Nick Piggin 2011-01-07 17:49:28 +11:00
commit b1e6a015a5
25 changed files with 94 additions and 51 deletions
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3
fs/hfsplus/hfsplus_fs.h
View file

@ -379,7 +379,8 @@ int hfsplus_strcasecmp(const struct hfsplus_unistr *, const struct hfsplus_unist
int hfsplus_strcmp(const struct hfsplus_unistr *, const struct hfsplus_unistr *);
int hfsplus_uni2asc(struct super_block *, const struct hfsplus_unistr *, char *, int *);
int hfsplus_asc2uni(struct super_block *, struct hfsplus_unistr *, const char *, int);
int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str);
int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
struct qstr *str);
int hfsplus_compare_dentry(const struct dentry *parent,
const struct inode *pinode,
const struct dentry *dentry, const struct inode *inode,

3
fs/hfsplus/unicode.c
View file

@ -320,7 +320,8 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
* Composed unicode characters are decomposed and case-folding is performed
* if the appropriate bits are (un)set on the superblock.
*/
int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str)
int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
struct qstr *str)
{
struct super_block *sb = dentry->d_sb;
const char *astr;