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[AFS]: Add "directory write" support.

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Add support for the create, link, symlink, unlink, mkdir, rmdir and
rename VFS operations to the in-kernel AFS filesystem.

Also:

 (1) Fix dentry and inode revalidation.  d_revalidate should only look at
     state of the dentry.  Revalidation of the contents of an inode pointed to
     by a dentry is now separate.

 (2) Fix afs_lookup() to hash negative dentries as well as positive ones.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Howells
2007-04-26 15:59:35 -07:00
committed by David S. Miller
parent c35eccb1f6
commit 260a980317
14 changed files with 1779 additions and 269 deletions
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11
fs/afs/afs_fs.h
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@@ -16,12 +16,19 @@
#define FS_SERVICE 1 /* AFS File Service ID */
enum AFS_FS_Operations {
FSFETCHSTATUS = 132, /* AFS Fetch file status */
FSFETCHDATA = 130, /* AFS Fetch file data */
FSFETCHSTATUS = 132, /* AFS Fetch file status */
FSREMOVEFILE = 136, /* AFS Remove a file */
FSCREATEFILE = 137, /* AFS Create a file */
FSRENAME = 138, /* AFS Rename or move a file or directory */
FSSYMLINK = 139, /* AFS Create a symbolic link */
FSLINK = 140, /* AFS Create a hard link */
FSMAKEDIR = 141, /* AFS Create a directory */
FSREMOVEDIR = 142, /* AFS Remove a directory */
FSGIVEUPCALLBACKS = 147, /* AFS Discard callback promises */
FSGETVOLUMEINFO = 148, /* AFS Get root volume information */
FSGETROOTVOLUME = 151, /* AFS Get root volume name */
FSLOOKUP = 161 /* AFS lookup file in directory */
FSLOOKUP = 161, /* AFS lookup file in directory */
};
enum AFS_FS_Errors {