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ceph: quota: support for ceph.quota.max_bytes

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Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Luis Henriques
2018-01-05 10:47:21 +00:00
committed by Ilya Dryomov
parent cafe21a4fb
commit 2b83845f8b
4 changed files with 44 additions and 1 deletions
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11
fs/ceph/file.c
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@@ -1378,6 +1378,11 @@ retry_snap:
pos = iocb->ki_pos;
count = iov_iter_count(from);
if (ceph_quota_is_max_bytes_exceeded(inode, pos + count)) {
err = -EDQUOT;
goto out;
}
err = file_remove_privs(file);
if (err)
goto out;
@@ -1708,6 +1713,12 @@ static long ceph_fallocate(struct file *file, int mode,
goto unlock;
}
if (!(mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE)) &&
ceph_quota_is_max_bytes_exceeded(inode, offset + length)) {
ret = -EDQUOT;
goto unlock;
}
if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) &&
!(mode & FALLOC_FL_PUNCH_HOLE)) {
ret = -ENOSPC;