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* Btrfs: Fix checkpatch.pl warningsChris Mason2009-01-051-3/+2
| | | | | | | There were many, most are fixed now. struct-funcs.c generates some warnings but these are bogus. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: optimize btrget/set/removexattrChristoph Hellwig2008-09-251-9/+11
| | | | | | | | | | | | btrfs actually stores the whole xattr name, including the prefix ondisk, so using the generic resolver that strips off the prefix is not very helpful. Instead do the real ondisk xattrs manually and only use the generic resolver for synthetic xattrs like ACLs. (Sorry Josef for guiding you towards the wrong direction here intially) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* btrfs: optmize listxattrChristoph Hellwig2008-09-251-2/+0
| | | | | | | | | | | | | The ->list handler is really not useful at all, because we always call btrfs_xattr_generic_list anyway. After this is done find_btrfs_xattr_handler becomes unused, and it becomes obvious that the temporary name buffer allocation isn't needed but we can directly copy into the supplied buffer. Tested with various getfattr -d calls on varying xattr lists. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: compile when posix acl's are disabledJosef Bacik2008-09-251-0/+21
| | | | | | | This patch makes btrfs so it will compile properly when acls are disabled. I tested this and it worked with CONFIG_FS_POSIX_ACL off and on. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Add ACL supportJosef Bacik2008-09-251-35/+261
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Include sched.h in the acl code for current (fixes compile on 2.6.23)Chris Mason2008-09-251-0/+1
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Fix compile on 2.6.22 kernelYan2008-09-251-0/+5
| | | | | | This patch fixes compile error on kernel-2.6.22 Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Implement ACLs setting and gettingYan2008-09-251-29/+44
| | | | | | ACLs are stored but not used for permission checks (yet) Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Make ACLs return EOPNOTSUPP for nowJosef Bacik2008-09-251-0/+18
| | | | | | | | | | | | | | There was a slight problem with ACL's returning EINVAL when you tried to set an ACL. This isn't correct, we should be returning EOPNOTSUPP, so I did a very ugly thing and just commented everybody out and made them return EOPNOTSUPP. This is only temporary, I'm going back to implement ACL's, but Chris wants to push out a release so this will suffice for now. Also Yan suggested setting reada to -1 in the delete case to enable backwards readahead, and in the listxattr case I moved path->reada = 2; to after the if (!path) check so we can avoid a possible null dereference. Thank you, Signed-off-by: Chris Mason <chris.mason@oracle.com>
* xattr support for btrfsJosef Bacik2008-09-251-0/+66
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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