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Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw

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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (51 commits)
  [DLM] block dlm_recv in recovery transition
  [DLM] don't overwrite castparam if it's NULL
  [GFS2] Get superblock a different way
  [GFS2] Don't try to remove buffers that don't exist
  [GFS2] Alternate gfs2_iget to avoid looking up inodes being freed
  [GFS2] Data corruption fix
  [GFS2] Clean up journaled data writing
  [GFS2] GFS2: chmod hung - fix race in thread creation
  [DLM] Make dlm_sendd cond_resched more
  [GFS2] Move inode deletion out of blocking_cb
  [GFS2] flocks from same process trip kernel BUG at fs/gfs2/glock.c:1118!
  [GFS2] Clean up gfs2_trans_add_revoke()
  [GFS2] Use slab operations for all gfs2_bufdata allocations
  [GFS2] Replace revoke structure with bufdata structure
  [GFS2] Fix ordering of dirty/journal for ordered buffer unstuffing
  [GFS2] Clean up ordered write code
  [GFS2] Move pin/unpin into lops.c, clean up locking
  [GFS2] Don't mark jdata dirty in gfs2_unstuffer_page()
  [GFS2] Introduce gfs2_remove_from_ail
  [GFS2] Correct lock ordering in unlink
  ...
This commit is contained in:
Linus Torvalds
2007-10-12 09:14:51 -07:00
parent 1462222b76 c36258b592
commit f26e51f67a
49 changed files with 1143 additions and 965 deletions
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30
include/linux/gfs2_ondisk.h
View File

@@ -169,6 +169,33 @@ struct gfs2_rgrp {
__u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */
};
/*
* quota linked list: user quotas and group quotas form two separate
* singly linked lists. ll_next stores uids or gids of next quotas in the
* linked list.
Given the uid/gid, how to calculate the quota file offsets for the corresponding
gfs2_quota structures on disk:
for user quotas, given uid,
offset = uid * sizeof(struct gfs2_quota);
for group quotas, given gid,
offset = (gid * sizeof(struct gfs2_quota)) + sizeof(struct gfs2_quota);
uid:0 gid:0 uid:12 gid:12 uid:17 gid:17 uid:5142 gid:5142
+-------+-------+ +-------+-------+ +-------+- - - -+ +- - - -+-------+
| valid | valid | :: | valid | valid | :: | valid | inval | :: | inval | valid |
+-------+-------+ +-------+-------+ +-------+- - - -+ +- - - -+-------+
next:12 next:12 next:17 next:5142 next:NULL next:NULL
| | | | |<-- user quota list |
\______|___________/ \______|___________/ group quota list -->|
| | |
\__________________/ \_______________________________________/
*/
/*
* quota structure
*/
@@ -177,7 +204,8 @@ struct gfs2_quota {
__be64 qu_limit;
__be64 qu_warn;
__be64 qu_value;
__u8 qu_reserved[64];
__be32 qu_ll_next; /* location of next quota in list */
__u8 qu_reserved[60];
};
/*