git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-05-02 18:17:50 -04:00
Code Issues Packages Projects Releases Wiki Activity

namei: move cross-device check to traverse_mounts

Browse Source 
This is preparation to RESOLVE_NO_XDEV fix in following commits.
No functional change intended

Signed-off-by: Askar Safin <safinaskar@zohomail.com>
Link: https://lore.kernel.org/20250825181233.2464822-2-safinaskar@zohomail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Askar Safin
2025-08-25 18:12:30 +00:00
committed by Christian Brauner
parent 7f9d34b0a7
commit 11c2b7ec2e
1 changed files with 7 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
fs/namei.c
View File

@@ -1518,6 +1518,7 @@ static inline int traverse_mounts(struct path *path, bool *jumped,
int *count, unsigned lookup_flags)
{
unsigned flags = smp_load_acquire(&path->dentry->d_flags);
int ret;
/* fastpath */
if (likely(!(flags & DCACHE_MANAGED_DENTRY))) {
@@ -1526,7 +1527,11 @@ static inline int traverse_mounts(struct path *path, bool *jumped,
return -ENOENT;
return 0;
}
return __traverse_mounts(path, flags, jumped, count, lookup_flags);
ret = __traverse_mounts(path, flags, jumped, count, lookup_flags);
if (*jumped && unlikely(lookup_flags & LOOKUP_NO_XDEV))
return -EXDEV;
return ret;
}
int follow_down_one(struct path *path)
@@ -1631,9 +1636,7 @@ static inline int handle_mounts(struct nameidata *nd, struct dentry *dentry,
}
ret = traverse_mounts(path, &jumped, &nd->total_link_count, nd->flags);
if (jumped) {
if (unlikely(nd->flags & LOOKUP_NO_XDEV))
ret = -EXDEV;
else
if (!unlikely(nd->flags & LOOKUP_NO_XDEV))
nd->state |= ND_JUMPED;
}
if (unlikely(ret)) {