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| author | Ingo Molnar <mingo@kernel.org> | 2021-02-12 13:36:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-12 13:36:43 +0100 |
| commit | a3251c1a36f595046bea03935ebe37a1e1f1f1d7 (patch) | |
| tree | 14b51f8bf1d7e1bb35697cb4704255b51b15baa9 /fs/btrfs/volumes.h | |
| parent | x86/softirq/64: Inline do_softirq_own_stack() (diff) | |
| parent | x86/pv: Rework arch_local_irq_restore() to not use popf (diff) | |
| download | linux-a3251c1a36f595046bea03935ebe37a1e1f1f1d7.tar.xz linux-a3251c1a36f595046bea03935ebe37a1e1f1f1d7.zip | |
Merge branch 'x86/paravirt' into x86/entry
Merge in the recent paravirt changes to resolve conflicts caused
by objtool annotations.
Conflicts:
arch/x86/xen/xen-asm.S
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 1997a4649a66..c43663d9c22e 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -39,10 +39,10 @@ struct btrfs_io_geometry { #if BITS_PER_LONG==32 && defined(CONFIG_SMP) #include <linux/seqlock.h> #define __BTRFS_NEED_DEVICE_DATA_ORDERED -#define btrfs_device_data_ordered_init(device, info) \ - seqcount_mutex_init(&device->data_seqcount, &info->chunk_mutex) +#define btrfs_device_data_ordered_init(device) \ + seqcount_init(&device->data_seqcount) #else -#define btrfs_device_data_ordered_init(device, info) do { } while (0) +#define btrfs_device_data_ordered_init(device) do { } while (0) #endif #define BTRFS_DEV_STATE_WRITEABLE (0) @@ -76,8 +76,7 @@ struct btrfs_device { blk_status_t last_flush_error; #ifdef __BTRFS_NEED_DEVICE_DATA_ORDERED - /* A seqcount_t with associated chunk_mutex (for lockdep) */ - seqcount_mutex_t data_seqcount; + seqcount_t data_seqcount; #endif /* the internal btrfs device id */ @@ -168,9 +167,11 @@ btrfs_device_get_##name(const struct btrfs_device *dev) \ static inline void \ btrfs_device_set_##name(struct btrfs_device *dev, u64 size) \ { \ + preempt_disable(); \ write_seqcount_begin(&dev->data_seqcount); \ dev->name = size; \ write_seqcount_end(&dev->data_seqcount); \ + preempt_enable(); \ } #elif BITS_PER_LONG==32 && defined(CONFIG_PREEMPTION) #define BTRFS_DEVICE_GETSET_FUNCS(name) \ |