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| author | Goldwyn Rodrigues <rgoldwyn@suse.com> | 2020-08-25 10:02:33 -0500 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-10-07 12:12:20 +0200 |
| commit | 66a2823c54367b4d366cfa5dc12ef99ef560f428 (patch) | |
| tree | e9aed67d044867d2eaa189ae0bced9b627ed65da /fs/btrfs/ioctl.c | |
| parent | c3e1f96c37d0f863ac6ddcafac6921fd46f1aa37 (diff) | |
| download | linux-66a2823c54367b4d366cfa5dc12ef99ef560f428.tar.bz2 | |
btrfs: sysfs: export currently running exclusive operation
/sys/fs/<fsid>/exclusive_operation contains the currently executing
exclusive operation. Add a sysfs_notify() when operation end, so
userspace can be notified of exclusive operation is finished.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index f30231596fe0..8091324341a5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -387,6 +387,7 @@ bool btrfs_exclop_start(struct btrfs_fs_info *fs_info, void btrfs_exclop_finish(struct btrfs_fs_info *fs_info) { WRITE_ONCE(fs_info->exclusive_operation, BTRFS_EXCLOP_NONE); + sysfs_notify(&fs_info->fs_devices->fsid_kobj, NULL, "exclusive_operation"); } /* |