diff options
| author | Chris Mason <chris.mason@oracle.com> | 2011-05-23 14:37:47 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-05-23 14:37:47 -0400 |
| commit | d6c0cb379c5198487e4ac124728cbb2346d63b1f (patch) | |
| tree | 167a97ac58c7a2fbf7c4e94b6abbfe1e03af014a /fs/btrfs/ioctl.c | |
| parent | 8e531cdfeb75269c6c5aae33651cca39707848da (diff) | |
| parent | 1f78160ce1b1b8e657e2248118c4d91f881763f0 (diff) | |
Merge branch 'cleanups_and_fixes' into inode_numbers
Conflicts:
fs/btrfs/tree-log.c
fs/btrfs/volumes.c
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index e0a061db435..c4f17e4e2c9 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -282,8 +282,9 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg) if (!capable(CAP_SYS_ADMIN)) return -EPERM; - mutex_lock(&fs_info->fs_devices->device_list_mutex); - list_for_each_entry(device, &fs_info->fs_devices->devices, dev_list) { + rcu_read_lock(); + list_for_each_entry_rcu(device, &fs_info->fs_devices->devices, + dev_list) { if (!device->bdev) continue; q = bdev_get_queue(device->bdev); @@ -293,7 +294,7 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg) minlen); } } - mutex_unlock(&fs_info->fs_devices->device_list_mutex); + rcu_read_unlock(); if (!num_devices) return -EOPNOTSUPP; @@ -1279,7 +1280,6 @@ static noinline int copy_to_sk(struct btrfs_root *root, int nritems; int i; int slot; - int found = 0; int ret = 0; leaf = path->nodes[0]; @@ -1326,7 +1326,7 @@ static noinline int copy_to_sk(struct btrfs_root *root, item_off, item_len); *sk_offset += item_len; } - found++; + (*num_found)++; if (*num_found >= sk->nr_items) break; @@ -1345,7 +1345,6 @@ advance_key: } else ret = 1; overflow: - *num_found += found; return ret; } |