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| author | David Sterba <dsterba@suse.cz> | 2014-11-12 16:24:35 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-11-12 18:53:14 +0300 |
| commit | d51033d05547675f898ce4233a7d8d1a0dfe2984 (patch) | |
| tree | dbdf9ce4507515b1305ee354d6e968ab3aa01b15 /fs/btrfs/transaction.c | |
| parent | 7e1876aca815029d5c3023a66a91e249eca3e533 (diff) | |
| download | linux-d51033d05547675f898ce4233a7d8d1a0dfe2984.tar.xz | |
btrfs: introduce pending action: commit
In some contexts, like in sysfs handlers, we don't want to trigger a
transaction commit. It's a heavy operation, we don't know what external
locks may be taken. Instead, make it possible to finish the operation
through sync syscall or SYNC_FS ioctl.
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 703238ed7337..9d8e2b8d12b4 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -2036,6 +2036,11 @@ void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info) btrfs_clear_opt(fs_info->mount_opt, INODE_MAP_CACHE); prev &= ~bit; + bit = 1 << BTRFS_PENDING_COMMIT; + if (prev & bit) + btrfs_debug(fs_info, "pending commit done"); + prev &= ~bit; + if (prev) btrfs_warn(fs_info, "unknown pending changes left 0x%lx, ignoring", prev); |