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Don't pass inode to ->d_hash() and ->d_compare()

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Instances either don't look at it at all (the majority of cases) or
only want it to find the superblock (which can be had as dentry->d_sb).
A few cases that want more are actually safe with dentry->d_inode -
the only precaution needed is the check that it hadn't been replaced with
NULL by rmdir() or by overwriting rename(), which case should be simply
treated as cache miss.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Linus Torvalds 2013-05-21 15:22:44 -07:00 • committed by Al Viro
parent 642b704cd7
commit da53be12bb
23 changed files with 108 additions and 165 deletions
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7
fs/hfsplus/unicode.c
View file

@ -334,8 +334,7 @@ int hfsplus_asc2uni(struct super_block *sb,
* Composed unicode characters are decomposed and case-folding is performed
* if the appropriate bits are (un)set on the superblock.
*/
int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
struct qstr *str)
int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str)
{
struct super_block *sb = dentry->d_sb;
const char *astr;
@ -386,9 +385,7 @@ int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
* Composed unicode characters are decomposed and case-folding is performed
* if the appropriate bits are (un)set on the superblock.
*/
int hfsplus_compare_dentry(const struct dentry *parent,
const struct inode *pinode,
const struct dentry *dentry, const struct inode *inode,
int hfsplus_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
unsigned int len, const char *str, const struct qstr *name)
{
struct super_block *sb = parent->d_sb;