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| author | Yan, Zheng <zyan@redhat.com> | 2016-06-06 16:01:39 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-07-28 02:55:39 +0200 |
| commit | 774a6a118c70f8c11fcfe636032b5016ad71a746 (patch) | |
| tree | 8c1380f9b9fe2b6db6360b68f4aad373be01072b /fs/ceph/super.h | |
| parent | a22bd5ffae2d22c054c832fe0d60976ed9e4a49d (diff) | |
| download | linux-774a6a118c70f8c11fcfe636032b5016ad71a746.tar.bz2 | |
ceph: reduce i_nr_by_mode array size
Track usage count for individual fmode bit. This can reduce the
array size by half.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 7ceab18c8ee2..50846e6f6a8c 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -321,7 +321,7 @@ struct ceph_inode_info { dirty|flushing caps */ unsigned i_snap_caps; /* cap bits for snapped files */ - int i_nr_by_mode[CEPH_FILE_MODE_NUM]; /* open file counts */ + int i_nr_by_mode[CEPH_FILE_MODE_BITS]; /* open file counts */ struct mutex i_truncate_mutex; u32 i_truncate_seq; /* last truncate to smaller size */ @@ -906,10 +906,7 @@ extern int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, loff_t endoff, int *got, struct page **pinned_page); /* for counting open files by mode */ -static inline void __ceph_get_fmode(struct ceph_inode_info *ci, int mode) -{ - ci->i_nr_by_mode[mode]++; -} +extern void __ceph_get_fmode(struct ceph_inode_info *ci, int mode); extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode); /* addr.c */ |