diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8b6e344eb0b..db8a404a51d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -48,6 +48,9 @@ #include <linux/key-type.h> #include "cifs_spnego.h" #include "fscache.h" +#ifdef CONFIG_CIFS_SMB2 +#include "smb2pdu.h" +#endif #define CIFS_MAGIC_NUMBER 0xFF534D42 /* the first four bytes of SMB PDUs */ int cifsFYI = 0; @@ -158,9 +161,9 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); int rc = -EOPNOTSUPP; - int xid; + unsigned int xid; - xid = GetXid(); + xid = get_xid(); buf->f_type = CIFS_MAGIC_NUMBER; @@ -197,7 +200,7 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) if (rc) rc = SMBOldQFSInfo(xid, tcon, buf); - FreeXid(xid); + free_xid(xid); return 0; } @@ -257,7 +260,6 @@ cifs_alloc_inode(struct super_block *sb) static void cifs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(cifs_inode_cachep, CIFS_I(inode)); } @@ -547,8 +549,8 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) char *s, *p; char sep; - full_path = cifs_build_path_to_root(vol, cifs_sb, - cifs_sb_master_tcon(cifs_sb)); + full_path = build_path_to_root(vol, cifs_sb, + cifs_sb_master_tcon(cifs_sb)); if (full_path == NULL) return ERR_PTR(-ENOMEM); @@ -638,7 +640,10 @@ cifs_do_mount(struct file_system_type *fs_type, mnt_data.cifs_sb = cifs_sb; mnt_data.flags = flags; - sb = sget(fs_type, cifs_match_super, cifs_set_super, &mnt_data); + /* BB should we make this contingent on mount parm? */ + flags |= MS_NODIRATIME | MS_NOATIME; + + sb = sget(fs_type, cifs_match_super, cifs_set_super, flags, &mnt_data); if (IS_ERR(sb)) { root = ERR_CAST(sb); cifs_umount(cifs_sb); @@ -649,10 +654,6 @@ cifs_do_mount(struct file_system_type *fs_type, cFYI(1, "Use existing superblock"); cifs_umount(cifs_sb); } else { - sb->s_flags = flags; - /* BB should we make this contingent on mount parm? */ - sb->s_flags |= MS_NODIRATIME | MS_NOATIME; - rc = cifs_read_super(sb); if (rc) { root = ERR_PTR(rc); @@ -778,6 +779,7 @@ struct file_system_type cifs_fs_type = { }; const struct inode_operations cifs_dir_inode_ops = { .create = cifs_create, + .atomic_open = cifs_atomic_open, .lookup = cifs_lookup, .getattr = cifs_getattr, .unlink = cifs_unlink, @@ -981,6 +983,14 @@ cifs_destroy_inodecache(void) static int cifs_init_request_bufs(void) { + size_t max_hdr_size = MAX_CIFS_HDR_SIZE; +#ifdef CONFIG_CIFS_SMB2 + /* + * SMB2 maximum header size is bigger than CIFS one - no problems to + * allocate some more bytes for CIFS. + */ + max_hdr_size = MAX_SMB2_HDR_SIZE; +#endif if (CIFSMaxBufSize < 8192) { /* Buffer size can not be smaller than 2 * PATH_MAX since maximum Unicode path name has to fit in any SMB/CIFS path based frames */ @@ -992,8 +1002,7 @@ cifs_init_request_bufs(void) } /* cERROR(1, "CIFSMaxBufSize %d 0x%x",CIFSMaxBufSize,CIFSMaxBufSize); */ cifs_req_cachep = kmem_cache_create("cifs_request", - CIFSMaxBufSize + - MAX_CIFS_HDR_SIZE, 0, + CIFSMaxBufSize + max_hdr_size, 0, SLAB_HWCACHE_ALIGN, NULL); if (cifs_req_cachep == NULL) return -ENOMEM; |