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authorJoel Becker <Joel.Becker@oracle.com>2008-11-25 15:31:27 +0100
committerMark Fasheh <mfasheh@suse.com>2009-01-05 08:40:24 -0800
commit85eb8b73d66530bb7b931789ae7a5ec9744eed34 (patch)
tree4590be147364e0437f23a0d6bf72ccc900852eb9 /fs/ocfs2/quota.h
parent57a09a7b3d9445a17c78d544f1e49d4d7d61705a (diff)
downloadop-kernel-dev-85eb8b73d66530bb7b931789ae7a5ec9744eed34.zip
op-kernel-dev-85eb8b73d66530bb7b931789ae7a5ec9744eed34.tar.gz
ocfs2: Fix ocfs2_read_quota_block() error handling.
ocfs2_bread() has become ocfs2_read_virt_blocks(), with a prototype to match ocfs2_read_blocks(). The quota code, converting from ocfs2_bread(), wraps the call to ocfs2_read_virt_blocks() in ocfs2_read_quota_block(). Unfortunately, the prototype of ocfs2_read_quota_block() matches the old prototype of ocfs2_bread(). The problem is that ocfs2_bread() returned the buffer head, and callers assumed that a NULL pointer was indicative of error. It wasn't. This is why ocfs2_bread() took an int*err argument as well. The new prototype of ocfs2_read_virt_blocks() avoids this error handling confusion. Let's change ocfs2_read_quota_block() to match. Signed-off-by: Joel Becker <joel.becker@oracle.com> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/quota.h')
-rw-r--r--fs/ocfs2/quota.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index 04872b4..7365e2e 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -107,8 +107,8 @@ static inline int ocfs2_global_release_dquot(struct dquot *dquot)
int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
-struct buffer_head *ocfs2_read_quota_block(struct inode *inode,
- int block, int *err);
+int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+ struct buffer_head **bh);
extern struct dquot_operations ocfs2_quota_operations;
extern struct quota_format_type ocfs2_quota_format;
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