diff options
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/addr.c | 2 | ||||
| -rw-r--r-- | fs/ceph/dir.c | 4 | ||||
| -rw-r--r-- | fs/ceph/export.c | 18 | ||||
| -rw-r--r-- | fs/ceph/file.c | 6 | ||||
| -rw-r--r-- | fs/ceph/inode.c | 4 | ||||
| -rw-r--r-- | fs/ceph/super.c | 5 |
6 files changed, 27 insertions, 12 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 8e8a818cba0..064d1a68d2c 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1276,6 +1276,7 @@ out: static struct vm_operations_struct ceph_vmops = { .fault = filemap_fault, .page_mkwrite = ceph_page_mkwrite, + .remap_pages = generic_file_remap_pages, }; int ceph_mmap(struct file *file, struct vm_area_struct *vma) @@ -1286,6 +1287,5 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma) return -ENOEXEC; file_accessed(file); vma->vm_ops = &ceph_vmops; - vma->vm_flags |= VM_CAN_NONLINEAR; return 0; } diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index e5b77319c97..8c1aabe93b6 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -454,7 +454,7 @@ static void reset_readdir(struct ceph_file_info *fi) fi->flags &= ~CEPH_F_ATEND; } -static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin) +static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int whence) { struct ceph_file_info *fi = file->private_data; struct inode *inode = file->f_mapping->host; @@ -463,7 +463,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&inode->i_mutex); retval = -EINVAL; - switch (origin) { + switch (whence) { case SEEK_END: offset += inode->i_size + 2; /* FIXME */ break; diff --git a/fs/ceph/export.c b/fs/ceph/export.c index f350be34601..ca3ab3f9ca7 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -103,7 +103,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len, * FIXME: we should try harder by querying the mds for the ino. */ static struct dentry *__fh_to_dentry(struct super_block *sb, - struct ceph_nfs_fh *fh) + struct ceph_nfs_fh *fh, int fh_len) { struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc; struct inode *inode; @@ -111,6 +111,9 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, struct ceph_vino vino; int err; + if (fh_len < sizeof(*fh) / 4) + return ERR_PTR(-ESTALE); + dout("__fh_to_dentry %llx\n", fh->ino); vino.ino = fh->ino; vino.snap = CEPH_NOSNAP; @@ -154,7 +157,7 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, * convert connectable fh to dentry */ static struct dentry *__cfh_to_dentry(struct super_block *sb, - struct ceph_nfs_confh *cfh) + struct ceph_nfs_confh *cfh, int fh_len) { struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc; struct inode *inode; @@ -162,6 +165,9 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb, struct ceph_vino vino; int err; + if (fh_len < sizeof(*cfh) / 4) + return ERR_PTR(-ESTALE); + dout("__cfh_to_dentry %llx (%llx/%x)\n", cfh->ino, cfh->parent_ino, cfh->parent_name_hash); @@ -211,9 +217,11 @@ static struct dentry *ceph_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) { if (fh_type == 1) - return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw); + return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw, + fh_len); else - return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw); + return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw, + fh_len); } /* @@ -234,6 +242,8 @@ static struct dentry *ceph_fh_to_parent(struct super_block *sb, if (fh_type == 1) return ERR_PTR(-ESTALE); + if (fh_len < sizeof(*cfh) / 4) + return ERR_PTR(-ESTALE); pr_debug("fh_to_parent %llx/%d\n", cfh->parent_ino, cfh->parent_name_hash); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index d415096800a..e51558fca3a 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -784,7 +784,7 @@ out: /* * llseek. be sure to verify file size on SEEK_END. */ -static loff_t ceph_llseek(struct file *file, loff_t offset, int origin) +static loff_t ceph_llseek(struct file *file, loff_t offset, int whence) { struct inode *inode = file->f_mapping->host; int ret; @@ -792,7 +792,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&inode->i_mutex); __ceph_do_pending_vmtruncate(inode); - if (origin == SEEK_END || origin == SEEK_DATA || origin == SEEK_HOLE) { + if (whence == SEEK_END || whence == SEEK_DATA || whence == SEEK_HOLE) { ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE); if (ret < 0) { offset = ret; @@ -800,7 +800,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int origin) } } - switch (origin) { + switch (whence) { case SEEK_END: offset += inode->i_size; break; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 81613bced19..2971eaa65cd 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1104,7 +1104,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req, pr_err("fill_trace bad get_inode " "%llx.%llx\n", vino.ino, vino.snap); err = PTR_ERR(in); - d_delete(dn); + d_drop(dn); goto done; } dn = splice_dentry(dn, in, &have_lease, true); @@ -1277,7 +1277,7 @@ retry_lookup: in = ceph_get_inode(parent->d_sb, vino); if (IS_ERR(in)) { dout("new_inode badness\n"); - d_delete(dn); + d_drop(dn); dput(dn); err = PTR_ERR(in); goto out; diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1a144001b2e..e86aa994812 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -616,6 +616,11 @@ bad_cap: static void destroy_caches(void) { + /* + * Make sure all delayed rcu free inodes are flushed before we + * destroy cache. + */ + rcu_barrier(); kmem_cache_destroy(ceph_inode_cachep); kmem_cache_destroy(ceph_cap_cachep); kmem_cache_destroy(ceph_dentry_cachep); |