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smb: client: show smb lease key in open_files output

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Add the SMB lease key in /proc/fs/cifs/open_files for
debugging purposes.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Bharath SM
2025-10-30 00:34:29 +05:30
committed by Steve French
parent 1fab1fa091
commit 9cfcd8601e
1 changed files with 9 additions and 2 deletions
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11
fs/smb/client/cifs_debug.c
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@@ -249,9 +249,9 @@ static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
seq_puts(m, "# Format:\n");
seq_puts(m, "# <tree id> <ses id> <persistent fid> <flags> <count> <pid> <uid>");
#ifdef CONFIG_CIFS_DEBUG2
seq_puts(m, " <filename> <lease> <mid>\n");
seq_puts(m, " <filename> <lease> <lease-key> <mid>\n");
#else
seq_puts(m, " <filename> <lease>\n");
seq_puts(m, " <filename> <lease> <lease-key>\n");
#endif /* CIFS_DEBUG2 */
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
@@ -274,6 +274,7 @@ static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
/* Append lease/oplock caching state as RHW letters */
inode = d_inode(cfile->dentry);
cinode = NULL;
n = 0;
if (inode) {
cinode = CIFS_I(inode);
@@ -291,6 +292,12 @@ static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
else
seq_puts(m, "NONE");
seq_puts(m, " ");
if (cinode && cinode->lease_granted)
seq_printf(m, "%pUl", cinode->lease_key);
else
seq_puts(m, "-");
#ifdef CONFIG_CIFS_DEBUG2
seq_printf(m, " %llu", cfile->fid.mid);
#endif /* CONFIG_CIFS_DEBUG2 */