diff options
| author | Sage Weil <sage@newdream.net> | 2010-05-26 03:46:24 +0400 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-08-02 07:11:38 +0400 |
| commit | 84d9509234c46481aded977193fcf23f892d715f (patch) | |
| tree | a79cdd09126323064b49ac00c2aa1a39733675d1 | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
| download | linux-84d9509234c46481aded977193fcf23f892d715f.tar.xz | |
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>
| -rw-r--r-- | fs/ceph/ceph_fs.c | 50 | ||||
| -rw-r--r-- | fs/ceph/ceph_fs.h | 3 |
2 files changed, 26 insertions, 27 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; } diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h index 2fa992eaf7da..c2e4c61a99a3 100644 --- a/fs/ceph/ceph_fs.h +++ b/fs/ceph/ceph_fs.h @@ -563,7 +563,8 @@ int ceph_flags_to_mode(int flags); CEPH_CAP_FILE_EXCL) #define CEPH_CAP_ANY_WR (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR) #define CEPH_CAP_ANY (CEPH_CAP_ANY_RD | CEPH_CAP_ANY_EXCL | \ - CEPH_CAP_ANY_FILE_WR | CEPH_CAP_PIN) + CEPH_CAP_ANY_FILE_WR | CEPH_CAP_FILE_LAZYIO | \ + CEPH_CAP_PIN) #define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \ CEPH_LOCK_IXATTR) |