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btrfs: root->fs_info cleanup, add fs_info convenience variables

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In routines where someptr->fs_info is referenced multiple times, we
introduce a convenience variable.  This makes the code considerably
more readable.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-06-22 18:54:23 -04:00
committed by David Sterba
parent 6202df6921
commit 0b246afa62
33 changed files with 2251 additions and 2016 deletions
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9
fs/btrfs/reada.c
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@@ -335,7 +335,7 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
if (!re)
return NULL;
blocksize = root->fs_info->nodesize;
blocksize = fs_info->nodesize;
re->logical = logical;
re->top = *top;
INIT_LIST_HEAD(&re->extctl);
@@ -352,7 +352,7 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
goto error;
if (bbio->num_stripes > BTRFS_MAX_MIRRORS) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"readahead: more than %d copies not supported",
BTRFS_MAX_MIRRORS);
goto error;
@@ -950,11 +950,10 @@ int btrfs_reada_wait(void *handle)
reada_start_machine(fs_info);
wait_event_timeout(rc->wait, atomic_read(&rc->elems) == 0,
5 * HZ);
dump_devs(rc->root->fs_info,
atomic_read(&rc->elems) < 10 ? 1 : 0);
dump_devs(fs_info, atomic_read(&rc->elems) < 10 ? 1 : 0);
}
dump_devs(rc->root->fs_info, atomic_read(&rc->elems) < 10 ? 1 : 0);
dump_devs(fs_info, atomic_read(&rc->elems) < 10 ? 1 : 0);
kref_put(&rc->refcnt, reada_control_release);