replace d_add_unique() with saner primitive

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new primitive: d_exact_alias(dentry, inode).  If there is an unhashed
dentry with the same name/parent and given inode, rehash, grab and
return it.  Otherwise, return NULL.  The only caller of d_add_unique()
switched to d_exact_alias() + d_splice_alias().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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This commit is contained in:

Al Viro 2016-03-08 12:44:17 -05:00

parent e12a4e8a04

commit 668d0cd56e

3 changed files with 58 additions and 98 deletions

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125

fs/dcache.c

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13

fs/nfs/nfs4proc.c

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18

include/linux/dcache.h

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