diff options
| author | Igor Opaniuk <igor.opaniuk@toradex.com> | 2020-11-17 14:38:38 +0200 |
|---|---|---|
| committer | Igor Opaniuk <igor.opaniuk@toradex.com> | 2020-11-17 14:38:38 +0200 |
| commit | 8bb9d758833ea1d0622277981b5225980ba0a42d (patch) | |
| tree | 2281499b2970e563f522db7ebc9d03bebfda4bfa /fs/ceph/export.c | |
| parent | 0316046d152a1817bd0b4faff8e34c212a936a5e (diff) | |
| parent | 3b59d4725be760cd276094079b4fbe7bd44e1464 (diff) | |
Merge branch 'toradex_5.4-2.1.x-imx' into HEAD
Diffstat (limited to 'fs/ceph/export.c')
| -rw-r--r-- | fs/ceph/export.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 79dc06881e78..e088843a7734 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -172,9 +172,16 @@ struct inode *ceph_lookup_inode(struct super_block *sb, u64 ino) static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino) { struct inode *inode = __lookup_inode(sb, ino); + int err; + if (IS_ERR(inode)) return ERR_CAST(inode); - if (inode->i_nlink == 0) { + /* We need LINK caps to reliably check i_nlink */ + err = ceph_do_getattr(inode, CEPH_CAP_LINK_SHARED, false); + if (err) + return ERR_PTR(err); + /* -ESTALE if inode as been unlinked and no file is open */ + if ((inode->i_nlink == 0) && (atomic_read(&inode->i_count) == 1)) { iput(inode); return ERR_PTR(-ESTALE); } |