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| author | Sage Weil <sage@newdream.net> | 2010-05-25 16:46:24 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-08-01 20:11:38 -0700 |
| commit | 84d9509234c46481aded977193fcf23f892d715f (patch) | |
| tree | a79cdd09126323064b49ac00c2aa1a39733675d1 /fs/ceph/ceph_fs.c | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
| download | linux-84d9509234c46481aded977193fcf23f892d715f.tar.gz linux-84d9509234c46481aded977193fcf23f892d715f.tar.bz2 linux-84d9509234c46481aded977193fcf23f892d715f.zip | |
ceph: request FILE_LAZYIO cap when LAZY file mode is set
Also clean up the file flags -> file mode -> wanted caps functions while
we're at it. This resyncs this file with userspace.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/ceph_fs.c')
| -rw-r--r-- | fs/ceph/ceph_fs.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/fs/ceph/ceph_fs.c b/fs/ceph/ceph_fs.c index 79d76bc4303f..3ac6cc7c1156 100644 --- a/fs/ceph/ceph_fs.c +++ b/fs/ceph/ceph_fs.c @@ -29,46 +29,44 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout) int ceph_flags_to_mode(int flags) { + int mode; + #ifdef O_DIRECTORY /* fixme */ if ((flags & O_DIRECTORY) == O_DIRECTORY) return CEPH_FILE_MODE_PIN; #endif + if ((flags & O_APPEND) == O_APPEND) + flags |= O_WRONLY; + + if ((flags & O_ACCMODE) == O_RDWR) + mode = CEPH_FILE_MODE_RDWR; + else if ((flags & O_ACCMODE) == O_WRONLY) + mode = CEPH_FILE_MODE_WR; + else + mode = CEPH_FILE_MODE_RD; + #ifdef O_LAZY if (flags & O_LAZY) - return CEPH_FILE_MODE_LAZY; + mode |= 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; + return mode; } 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 | + int caps = CEPH_CAP_PIN; + + if (mode & CEPH_FILE_MODE_RD) + caps |= 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 | + if (mode & CEPH_FILE_MODE_WR) + caps |= 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; + if (mode & CEPH_FILE_MODE_LAZY) + caps |= CEPH_CAP_FILE_LAZYIO; + + return caps; } |