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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-16 09:32:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-16 09:32:33 -0800 |
| commit | 4b48d9d44ebe0e8c31b4fe3b7480941576fff613 (patch) | |
| tree | 457e0f1214ba44742f63e3cfc472ffbec206d0f3 /fs | |
| parent | b762666cc7c9f83ac5759127c29dfad438c09e48 (diff) | |
| parent | c071fcfdb60e7abbe95e02460005d6bca165bf24 (diff) | |
| download | linux-4b48d9d44ebe0e8c31b4fe3b7480941576fff613.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: fix ioctl arg size (userland incompatible change!)
Btrfs: Clear the device->running_pending flag before bailing on congestion
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/ioctl.h | 14 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 3 | ||||
| -rw-r--r-- | fs/btrfs/volumes.c | 1 |
3 files changed, 11 insertions, 7 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index 78049ea208db..b320b103fa13 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -22,13 +22,20 @@ #define BTRFS_IOCTL_MAGIC 0x94 #define BTRFS_VOL_NAME_MAX 255 -#define BTRFS_PATH_NAME_MAX 3072 +#define BTRFS_PATH_NAME_MAX 4087 +/* this should be 4k */ struct btrfs_ioctl_vol_args { __s64 fd; char name[BTRFS_PATH_NAME_MAX + 1]; }; +struct btrfs_ioctl_clone_range_args { + __s64 src_fd; + __u64 src_offset, src_length; + __u64 dest_offset; +}; + #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ @@ -52,11 +59,6 @@ struct btrfs_ioctl_vol_args { struct btrfs_ioctl_vol_args) #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ struct btrfs_ioctl_vol_args) -struct btrfs_ioctl_clone_range_args { - __s64 src_fd; - __u64 src_offset, src_length; - __u64 dest_offset; -}; #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ struct btrfs_ioctl_clone_range_args) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 7256cf242eb0..db9fb3bc1e33 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -582,7 +582,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, { struct btrfs_ioctl_vol_args *vol; struct btrfs_fs_devices *fs_devices; - int ret = 0; + int ret = -ENOTTY; int len; if (!capable(CAP_SYS_ADMIN)) @@ -594,6 +594,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, goto out; } len = strnlen(vol->name, BTRFS_PATH_NAME_MAX); + switch (cmd) { case BTRFS_IOC_SCAN_DEV: ret = btrfs_scan_one_device(vol->name, FMODE_READ, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b187b537888e..3451e1cca2b5 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -220,6 +220,7 @@ loop: tail->bi_next = old_head; else device->pending_bio_tail = tail; + device->running_pending = 0; spin_unlock(&device->io_lock); btrfs_requeue_work(&device->work); |