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Btrfs: let the user know space caching is enabled

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If you mount -o space_cache, the option will be persistent across mounts, but to
make sure the user knows that they did this, emit a message telling them if they
didn't mount with -o space_cache but the feature is still used.

Signed-off-by: Josef Bacik <josef@redhat.com>
This commit is contained in:
Josef Bacik 2010-10-28 16:55:47 -04:00 committed by Chris Mason
parent 88c2ba3b06
commit 8216ef866d
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/extent-tree.c
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@ -8200,6 +8200,8 @@ int btrfs_read_block_groups(struct btrfs_root *root)
need_clear = 1;
if (btrfs_test_opt(root, CLEAR_CACHE))
need_clear = 1;
if (!btrfs_test_opt(root, SPACE_CACHE) && cache_gen)
printk(KERN_INFO "btrfs: disk space caching is enabled\n");
while (1) {
ret = find_first_block_group(root, path, &key);