aboutsummaryrefslogtreecommitdiffstats
path: root/fs/smb/client/file.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
committerGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /fs/smb/client/file.c
parentusb: gadget: u_serial: Implement remote wakeup capability (diff)
parentLinux 6.15-rc4 (diff)
downloadkernel-615dca38c2eae55aff80050275931c87a812b48c.tar.gz
kernel-615dca38c2eae55aff80050275931c87a812b48c.zip
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'fs/smb/client/file.c')
-rw-r--r--fs/smb/client/file.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 8407fb108664..9e8f404b9e56 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -1007,6 +1007,11 @@ int cifs_open(struct inode *inode, struct file *file)
} else {
_cifsFileInfo_put(cfile, true, false);
}
+ } else {
+ /* hard link on the defeered close file */
+ rc = cifs_get_hardlink_path(tcon, inode, file);
+ if (rc)
+ cifs_close_deferred_file(CIFS_I(inode));
}
if (server->oplocks)
@@ -2071,6 +2076,29 @@ cifs_move_llist(struct list_head *source, struct list_head *dest)
list_move(li, dest);
}
+int
+cifs_get_hardlink_path(struct cifs_tcon *tcon, struct inode *inode,
+ struct file *file)
+{
+ struct cifsFileInfo *open_file = NULL;
+ struct cifsInodeInfo *cinode = CIFS_I(inode);
+ int rc = 0;
+
+ spin_lock(&tcon->open_file_lock);
+ spin_lock(&cinode->open_file_lock);
+
+ list_for_each_entry(open_file, &cinode->openFileList, flist) {
+ if (file->f_flags == open_file->f_flags) {
+ rc = -EINVAL;
+ break;
+ }
+ }
+
+ spin_unlock(&cinode->open_file_lock);
+ spin_unlock(&tcon->open_file_lock);
+ return rc;
+}
+
void
cifs_free_llist(struct list_head *llist)
{