diff options
| author | Marc Aurèle La France <tsi@tuyoix.net> | 2024-08-10 13:25:27 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-04 16:33:46 +0200 |
| commit | 04a55dd3419d1ccc7b0de7a7fa4571d2979bc064 (patch) | |
| tree | f3136db55a8051aa33a731d54b0e13379c5aeb28 | |
| parent | 84f079349d5534c88f44d209c6b6bf32e131f37a (diff) | |
debugfs show actual source in /proc/mounts
[ Upstream commit 3a987b88a42593875f6345188ca33731c7df728c ]
After its conversion to the new mount API, debugfs displays "none" in
/proc/mounts instead of the actual source. Fix this by recognising its
"source" mount option.
Signed-off-by: Marc Aurèle La France <tsi@tuyoix.net>
Link: https://lore.kernel.org/r/e439fae2-01da-234b-75b9-2a7951671e27@tuyoix.net
Fixes: a20971c18752 ("vfs: Convert debugfs to use the new mount API")
Cc: stable@vger.kernel.org # 6.10.x: 49abee5991e1: debugfs: Convert to new uid/gid option parsing helpers
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | fs/debugfs/inode.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 91521576f500..66d9b3b4c588 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -89,12 +89,14 @@ enum { Opt_uid, Opt_gid, Opt_mode, + Opt_source, }; static const struct fs_parameter_spec debugfs_param_specs[] = { fsparam_gid ("gid", Opt_gid), fsparam_u32oct ("mode", Opt_mode), fsparam_uid ("uid", Opt_uid), + fsparam_string ("source", Opt_source), {} }; @@ -126,6 +128,12 @@ static int debugfs_parse_param(struct fs_context *fc, struct fs_parameter *param case Opt_mode: opts->mode = result.uint_32 & S_IALLUGO; break; + case Opt_source: + if (fc->source) + return invalfc(fc, "Multiple sources specified"); + fc->source = param->string; + param->string = NULL; + break; /* * We might like to report bad mount options here; * but traditionally debugfs has ignored all mount options |