enami
e3b99073fb
Previous code ususally works since compiler won't put gap between
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those struct members but there is no reason to rely on that.
While here, I rewrite the loop using an usual idiom. It shaves
both source and object code.
2009-02-06 23:56:26 +00:00
reinoud
2b4d7aaa9a
When reusing a directory free space slot and thus finding it on the free space
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list, do free it back into the pool!
2008-12-28 17:11:26 +00:00
reinoud
54977cd016
Clarify the dirhash locking protocol and remove unnessiary #ifdef DEBUG
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flag.
2008-10-31 16:04:59 +00:00
reinoud
a2a624b32c
Protect the dirhash_queue when purging hashed directories on memory
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overflow situations.
2008-10-31 15:48:39 +00:00
reinoud
afc9c8a1c7
Remove old KASSERTS that were commented out. Since the dirhash structure is
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considered part of the vnode/*_node structure it sure has to be locked or
the code using it is playing russian roulette.
2008-10-31 15:13:55 +00:00
reinoud
4ea6ec31b8
Cleanup dirhash and make use of the standard hash32_strn() instead of the
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handcrafted one.
Note it uses hash32_strn() since arguments can be passed from namei
arguments and thus don't have to be null terminated.
2008-10-31 15:01:12 +00:00
reinoud
a41684bca5
Remove old sysctl numbers not used anymore.
2008-10-30 17:19:18 +00:00
reinoud
d7a1bfe693
Make some variables static that ought to have been from the start.
2008-10-30 16:41:18 +00:00
reinoud
02fc60fc46
Add sysctl's using CTL_CREATE to query and set the memory use of the
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generic vfs dirhash code.
2008-10-30 16:17:53 +00:00
reinoud
fec4bb5bba
Add generic FS agnostic directory hashing support. Currently only in use by
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UDF. Future users could be msdosfs, ufs, nilfs2 (when ready), cd9660 etc.
Note that its not the same as UFS's DIRHASH support; UFS would need a good
cleanup/splitout of directory operations to adopt to this new directory
hashing support since most directory operations are interweaved with the
vnops itself. This is a TODO.
2008-09-27 13:01:07 +00:00
