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authorAbhijith Das <adas@redhat.com>2007-08-15 11:25:05 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2007-10-10 08:55:27 +0100
commit2d9a4bbf6d28673f4057682cc02d16bf288b4a35 (patch)
treeda4e598c88bc6df06e920951ad4d47deb350fc57 /fs/gfs2
parent34eaae398e29dadeed95efd30f1eb694e5932b34 (diff)
[GFS2] Fix quota do_list operation hang
This is the filesystem part of the patches to fix this bz. There are additional userland patches (gfs2_quota, libgfs2) for the complete solution. This patch adds a new field qu_ll_next to the gfs2_quota structure. This field allows us to create linked lists of quotas in the ondisk quota inode. Instead of scanning through the entire sparse quota file for valid quotas, we can now simply walk through the user and group quota linked lists to perform the do_list operation. Signed-off-by: Abhijith Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/quota.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 5dfa4656122..addb51e0f13 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -70,6 +70,7 @@ struct gfs2_quota_host {
u64 qu_limit;
u64 qu_warn;
s64 qu_value;
+ u32 qu_ll_next;
};
struct gfs2_quota_change_host {
@@ -580,6 +581,7 @@ static void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf)
qu->qu_limit = be64_to_cpu(str->qu_limit);
qu->qu_warn = be64_to_cpu(str->qu_warn);
qu->qu_value = be64_to_cpu(str->qu_value);
+ qu->qu_ll_next = be32_to_cpu(str->qu_ll_next);
}
static void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf)
@@ -589,6 +591,7 @@ static void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf)
str->qu_limit = cpu_to_be64(qu->qu_limit);
str->qu_warn = cpu_to_be64(qu->qu_warn);
str->qu_value = cpu_to_be64(qu->qu_value);
+ str->qu_ll_next = cpu_to_be32(qu->qu_ll_next);
memset(&str->qu_reserved, 0, sizeof(str->qu_reserved));
}