summaryrefslogtreecommitdiffstats
path: root/fs/ceph/ceph_fs.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph/ceph_fs.c')
-rw-r--r--fs/ceph/ceph_fs.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/fs/ceph/ceph_fs.c b/fs/ceph/ceph_fs.c
deleted file mode 100644
index 79d76bc4303f..000000000000
--- a/fs/ceph/ceph_fs.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Some non-inline ceph helpers
- */
-#include "types.h"
-
-/*
- * return true if @layout appears to be valid
- */
-int ceph_file_layout_is_valid(const struct ceph_file_layout *layout)
-{
- __u32 su = le32_to_cpu(layout->fl_stripe_unit);
- __u32 sc = le32_to_cpu(layout->fl_stripe_count);
- __u32 os = le32_to_cpu(layout->fl_object_size);
-
- /* stripe unit, object size must be non-zero, 64k increment */
- if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1)))
- return 0;
- if (!os || (os & (CEPH_MIN_STRIPE_UNIT-1)))
- return 0;
- /* object size must be a multiple of stripe unit */
- if (os < su || os % su)
- return 0;
- /* stripe count must be non-zero */
- if (!sc)
- return 0;
- return 1;
-}
-
-
-int ceph_flags_to_mode(int flags)
-{
-#ifdef O_DIRECTORY /* fixme */
- if ((flags & O_DIRECTORY) == O_DIRECTORY)
- return CEPH_FILE_MODE_PIN;
-#endif
-#ifdef O_LAZY
- if (flags & O_LAZY)
- return CEPH_FILE_MODE_LAZY;
-#endif
- if ((flags & O_APPEND) == O_APPEND)
- flags |= O_WRONLY;
-
- flags &= O_ACCMODE;
- if ((flags & O_RDWR) == O_RDWR)
- return CEPH_FILE_MODE_RDWR;
- if ((flags & O_WRONLY) == O_WRONLY)
- return CEPH_FILE_MODE_WR;
- return CEPH_FILE_MODE_RD;
-}
-
-int ceph_caps_for_mode(int mode)
-{
- switch (mode) {
- case CEPH_FILE_MODE_PIN:
- return CEPH_CAP_PIN;
- case CEPH_FILE_MODE_RD:
- return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
- CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE;
- case CEPH_FILE_MODE_RDWR:
- return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
- CEPH_CAP_FILE_EXCL |
- CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE |
- CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
- CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
- CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
- case CEPH_FILE_MODE_WR:
- return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
- CEPH_CAP_FILE_EXCL |
- CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
- CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
- CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
- }
- return 0;
-}