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btrfs: switch inode_cache option handling to pending changes

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The pending mount option(s) now share namespace and bits with the normal
options, and the existing one for (inode_cache) is unset unconditionally
at each transaction commit.

Introduce a separate namespace for pending changes and enhance the
descriptions of the intended change to use separate bits for each
action.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2014-02-05 15:26:17 +01:00
parent 6b5fe46dfa
commit 7e1876aca8
5 changed files with 18 additions and 15 deletions
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4
fs/btrfs/disk-io.c
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@@ -2830,10 +2830,6 @@ retry_root_backup:
btrfs_set_opt(fs_info->mount_opt, SSD);
}
/* Set the real inode map cache flag */
if (btrfs_test_opt(tree_root, CHANGE_INODE_CACHE))
btrfs_set_opt(tree_root->fs_info->mount_opt, INODE_MAP_CACHE);
/*
* Mount does not set all options immediatelly, we can do it now and do
* not have to wait for transaction commit