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| author | Chris Mason <chris.mason@oracle.com> | 2008-02-20 22:02:51 +0100 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 17:04:00 +0200 |
| commit | 55d474148982785dd8995dc690febad3a16a2c46 (patch) | |
| tree | 28cf1f279f1842773db63516fae107a3bc5b9eab /fs/btrfs/sysfs.c | |
| parent | Btrfs: Make sure bio pages are adjacent during bulk csumming (diff) | |
| download | linux-55d474148982785dd8995dc690febad3a16a2c46.tar.xz linux-55d474148982785dd8995dc690febad3a16a2c46.zip | |
Btrfs: Disable sysfs files on older kernels
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/sysfs.c')
| -rw-r--r-- | fs/btrfs/sysfs.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 973d56e05698..1cf4f4f8d2ce 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -28,6 +28,7 @@ #include "disk-io.h" #include "transaction.h" +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) static ssize_t root_blocks_used_show(struct btrfs_root *root, char *buf) { return snprintf(buf, PAGE_SIZE, "%llu\n", @@ -265,3 +266,36 @@ void btrfs_exit_sysfs() { kset_unregister(btrfs_kset); } + +#else + +int btrfs_sysfs_add_super(struct btrfs_fs_info *fs) +{ + return 0; +} + +int btrfs_sysfs_add_root(struct btrfs_root *root) +{ + return 0; +} + +void btrfs_sysfs_del_root(struct btrfs_root *root) +{ + return; +} + +void btrfs_sysfs_del_super(struct btrfs_fs_info *fs) +{ + return; +} + +int btrfs_init_sysfs() +{ + return 0; +} + +void btrfs_exit_sysfs() +{ + return; +} +#endif |