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| author | Yan, Zheng <zyan@redhat.com> | 2019-02-01 14:57:15 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-03-05 18:55:17 +0100 |
| commit | fe33032daae2e584d9e7e33bab44c9eafced1f8f (patch) | |
| tree | a03be95fd94ffcd66c69e2146a1930837f769eb4 /Documentation/filesystems | |
| parent | 37c4efc1ddf98ba8b234d116d863a9464445901e (diff) | |
ceph: add mount option to limit caps count
If number of caps exceed the limit, ceph_trim_dentires() also trim
dentries with valid leases. Trimming dentry releases references to
associated inode, which may evict inode and release caps.
By default, there is no limit for caps count.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/ceph.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/filesystems/ceph.txt b/Documentation/filesystems/ceph.txt index 1177052701e1..bc4145ee5dba 100644 --- a/Documentation/filesystems/ceph.txt +++ b/Documentation/filesystems/ceph.txt @@ -118,6 +118,10 @@ Mount Options of a non-responsive Ceph file system. The default is 30 seconds. + caps_max=X + Specify the maximum number of caps to hold. Unused caps are released + when number of caps exceeds the limit. The default is 0 (no limit) + rbytes When stat() is called on a directory, set st_size to 'rbytes', the summation of file sizes over all files nested beneath that |