Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1990e917651d58a3c5155d0491431c09e29e385b
Commit: 1990e917651d58a3c5155d0491431c09e29e385b
Parent: 0b7cac0fb0e541a7f54d0ba55b31d829ce3dd899
Author: Abhijith Das <[EMAIL PROTECTED]>
AuthorDate: Thu May 31 17:52:02 2007 -0500
Committer: Steven Whitehouse <[EMAIL PROTECTED]>
CommitDate: Mon Jul 9 08:23:01 2007 +0100
[GFS2] Quotas non-functional - fix another bug
This patch fixes a bug where gfs2 was writing update quota usage
information to the wrong location in the quota file.
Signed-off-by: Abhijith Das <[EMAIL PROTECTED]>
Signed-off-by: Steven Whitehouse <[EMAIL PROTECTED]>
---
fs/gfs2/ondisk.c | 10 ++++++++++
fs/gfs2/quota.c | 11 +++++++----
include/linux/gfs2_ondisk.h | 1 +
3 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c
index cd4cf05..a5b05ea 100644
--- a/fs/gfs2/ondisk.c
+++ b/fs/gfs2/ondisk.c
@@ -121,6 +121,16 @@ void gfs2_quota_in(struct gfs2_quota_host *qu, const void
*buf)
qu->qu_value = be64_to_cpu(str->qu_value);
}
+void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf)
+{
+ struct gfs2_quota *str = 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);
+ memset(&str->qu_reserved, 0, sizeof(str->qu_reserved));
+}
+
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
{
const struct gfs2_dinode_host *di = &ip->i_di;
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index fcd3ee2..8a58815 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -573,12 +573,13 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip,
loff_t loc,
struct inode *inode = &ip->i_inode;
struct address_space *mapping = inode->i_mapping;
unsigned long index = loc >> PAGE_CACHE_SHIFT;
- unsigned offset = loc & (PAGE_CACHE_SHIFT - 1);
+ unsigned offset = loc & (PAGE_CACHE_SIZE - 1);
unsigned blocksize, iblock, pos;
struct buffer_head *bh;
struct page *page;
void *kaddr;
- __be64 *ptr;
+ char *ptr;
+ struct gfs2_quota_host qp;
s64 value;
int err = -EIO;
@@ -620,8 +621,10 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t
loc,
kaddr = kmap_atomic(page, KM_USER0);
ptr = kaddr + offset;
- value = (s64)be64_to_cpu(*ptr) + change;
- *ptr = cpu_to_be64(value);
+ gfs2_quota_in(&qp, ptr);
+ qp.qu_value += change;
+ value = qp.qu_value;
+ gfs2_quota_out(&qp, ptr);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
err = 0;
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index 9ecf929..01cc359 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -519,6 +519,7 @@ extern void gfs2_rindex_out(const struct gfs2_rindex_host
*ri, void *buf);
extern void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf);
extern void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf);
extern void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf);
+extern void gfs2_quota_out(const struct gfs2_quota_host *qu, void *buf);
struct gfs2_inode;
extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf);
-
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