Re: [PATCH] netfs: Restore selective debug mask handling

[Karl Mehltretter <kmehltretter@gmail.com>]

On Sat, Sep 05, 2026 at 07:17:38AM +0100, Karl Mehltretter wrote:
> The netfs debug macros test only whether netfs_debug is nonzero.
> Consequently, selecting one debug point enables every entry, exit and
> general debug message.
> 
> Documentation/filesystems/caching/fscache.rst and the NETFS_DEBUG
> Kconfig help still describe /sys/module/netfs/parameters/debug as a
> bitmask of per-stream function entry, exit and general debugging
> points, and the fscache_*.c files still define FSCACHE_DEBUG_LEVEL,
> but nothing has decoded either since the mask handling was dropped
> when FS-Cache was folded into netfs.
> 
> Restore the per-level and per-point mask decoding.  Files that do not
> define FSCACHE_DEBUG_LEVEL, which includes the netfs core, fall under
> the cache management stream, the same default the FS-Cache macros had.
> 
> Fixes: 915cd30cdea8 ("netfs, fscache: Combine fscache with netfs")
> Assisted-by: LLM
> Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>

A friendly ping on this debug-mask fix.

Thanks,
Karl