btrfs: disable rate limiting when debug enabled

Disable ratelimiting for btrfs_printk when CONFIG_BTRFS_DEBUG is
enabled. This allows for more verbose output which is often needed by
functions like btrfs_dump_space_info().

Reviewed-by: Qu Wenruo <[email protected]>
Signed-off-by: Leo Martins <[email protected]>
Reviewed-by: David Sterba <[email protected]>
Signed-off-by: David Sterba <[email protected]>

diff --git a/fs/btrfs/messages.c b/fs/btrfs/messages.c
index 77752eec125d939afd3b61a584499b32e75b0347..363fd28c026880525b0c014e3bd10fa8d23900f8 100644 (file)
--- a/fs/btrfs/messages.c
+++ b/fs/btrfs/messages.c
@@ -239,7 +239,8 @@ void __cold _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt,
        vaf.fmt = fmt;
        vaf.va = &args;
 
-       if (__ratelimit(ratelimit)) {
+       /* Do not ratelimit if CONFIG_BTRFS_DEBUG is enabled. */
+       if (IS_ENABLED(CONFIG_BTRFS_DEBUG) || __ratelimit(ratelimit)) {
                if (fs_info) {
                        char statestr[STATE_STRING_BUF_LEN];