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btrfs: remove stray comment about SRCU

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The subvol_srcu was removed in c75e839414 ("btrfs: kill the
subvol_srcu") years ago.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2025-01-09 11:24:01 +01:00
parent 5f14eb12a3
commit 6d67ff1c0b
1 changed files with 0 additions and 3 deletions
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3
fs/btrfs/disk-io.h
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@ -96,9 +96,6 @@ struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info);
/* /*
* This function is used to grab the root, and avoid it is freed when we * This function is used to grab the root, and avoid it is freed when we
* access it. But it doesn't ensure that the tree is not dropped. * access it. But it doesn't ensure that the tree is not dropped.
*
* If you want to ensure the whole tree is safe, you should use
* fs_info->subvol_srcu
*/ */
static inline struct btrfs_root *btrfs_grab_root(struct btrfs_root *root) static inline struct btrfs_root *btrfs_grab_root(struct btrfs_root *root)
{ {