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authorDavid Howells <dhowells@redhat.com>2007-05-10 22:22:20 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 08:29:32 -0700
commit45222b9e02fb282eb0a8007a3d992dd229ec2410 (patch)
tree2160228a23c700437bda0898d3a700ac499b941d /fs/afs/afs.h
parent0f300ca9284caabdd2c07c7f91b90f1f530f614e (diff)
downloadop-kernel-dev-45222b9e02fb282eb0a8007a3d992dd229ec2410.zip
op-kernel-dev-45222b9e02fb282eb0a8007a3d992dd229ec2410.tar.gz
AFS: implement statfs
Implement the statfs() op for AFS. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/afs/afs.h')
-rw-r--r--fs/afs/afs.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/afs/afs.h b/fs/afs/afs.h
index 52d0752..2452579 100644
--- a/fs/afs/afs.h
+++ b/fs/afs/afs.h
@@ -16,6 +16,9 @@
#define AFS_MAXCELLNAME 64 /* maximum length of a cell name */
#define AFS_MAXVOLNAME 64 /* maximum length of a volume name */
+#define AFSNAMEMAX 256 /* maximum length of a filename plus NUL */
+#define AFSPATHMAX 1024 /* maximum length of a pathname plus NUL */
+#define AFSOPAQUEMAX 1024 /* maximum length of an opaque field */
typedef unsigned afs_volid_t;
typedef unsigned afs_vnodeid_t;
@@ -143,4 +146,24 @@ struct afs_volsync {
time_t creation; /* volume creation time */
};
+/*
+ * AFS volume status record
+ */
+struct afs_volume_status {
+ u32 vid; /* volume ID */
+ u32 parent_id; /* parent volume ID */
+ u8 online; /* true if volume currently online and available */
+ u8 in_service; /* true if volume currently in service */
+ u8 blessed; /* same as in_service */
+ u8 needs_salvage; /* true if consistency checking required */
+ u32 type; /* volume type (afs_voltype_t) */
+ u32 min_quota; /* minimum space set aside (blocks) */
+ u32 max_quota; /* maximum space this volume may occupy (blocks) */
+ u32 blocks_in_use; /* space this volume currently occupies (blocks) */
+ u32 part_blocks_avail; /* space available in volume's partition */
+ u32 part_max_blocks; /* size of volume's partition */
+};
+
+#define AFS_BLOCK_SIZE 1024
+
#endif /* AFS_H */
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