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quota: Propagate error from ->acquire_dquot()

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Currently when some error happened in ->acquire_dquot(), dqget() just
returned NULL. That was indistinguishable from a case when e.g. someone
run quotaoff and so was generally silently ignored. However
->acquire_dquot() can fail because of ENOSPC or EIO in which case user
should better know. So propagate error up from ->acquire_dquot properly.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2015-06-24 18:07:02 +02:00
committed by Jan Kara
parent d725e66c06
commit 6184fc0b8d
4 changed files with 72 additions and 33 deletions
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8
fs/ocfs2/file.c
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@@ -1209,8 +1209,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
&& OCFS2_HAS_RO_COMPAT_FEATURE(sb,
OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
transfer_to[USRQUOTA] = dqget(sb, make_kqid_uid(attr->ia_uid));
if (!transfer_to[USRQUOTA]) {
status = -ESRCH;
if (IS_ERR(transfer_to[USRQUOTA])) {
status = PTR_ERR(transfer_to[USRQUOTA]);
goto bail_unlock;
}
}
@@ -1218,8 +1218,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
&& OCFS2_HAS_RO_COMPAT_FEATURE(sb,
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
transfer_to[GRPQUOTA] = dqget(sb, make_kqid_gid(attr->ia_gid));
if (!transfer_to[GRPQUOTA]) {
status = -ESRCH;
if (IS_ERR(transfer_to[GRPQUOTA])) {
status = PTR_ERR(transfer_to[GRPQUOTA]);
goto bail_unlock;
}
}