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| author | Pavel Shilovsky <pshilovsky@samba.org> | 2012-09-19 06:22:44 -0700 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-09-24 21:46:33 -0500 |
| commit | b8c32dbb0deb287a5fcb78251e4eae6c7275760d (patch) | |
| tree | fa3cddfd4595846921f51a922b7e1722b1e35fa4 /fs/cifs/file.c | |
| parent | 579f9053236c796d718162c37c72bb3bd32d008c (diff) | |
| download | linux-b8c32dbb0deb287a5fcb78251e4eae6c7275760d.tar.gz linux-b8c32dbb0deb287a5fcb78251e4eae6c7275760d.tar.bz2 linux-b8c32dbb0deb287a5fcb78251e4eae6c7275760d.zip | |
CIFS: Request SMB2.1 leases
if server supports them and we need oplocks.
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 2e2e4f9aeb63..ccad858d2d67 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -177,8 +177,9 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, int disposition; int create_options = CREATE_NOT_DIR; FILE_ALL_INFO *buf; + struct TCP_Server_Info *server = tcon->ses->server; - if (!tcon->ses->server->ops->open) + if (!server->ops->open) return -ENOSYS; desired_access = cifs_convert_flags(f_flags); @@ -218,9 +219,9 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; - rc = tcon->ses->server->ops->open(xid, tcon, full_path, disposition, - desired_access, create_options, fid, - oplock, buf, cifs_sb); + rc = server->ops->open(xid, tcon, full_path, disposition, + desired_access, create_options, fid, oplock, buf, + cifs_sb); if (rc) goto out; @@ -372,6 +373,7 @@ int cifs_open(struct inode *inode, struct file *file) unsigned int xid; __u32 oplock; struct cifs_sb_info *cifs_sb; + struct TCP_Server_Info *server; struct cifs_tcon *tcon; struct tcon_link *tlink; struct cifsFileInfo *cfile = NULL; @@ -388,6 +390,7 @@ int cifs_open(struct inode *inode, struct file *file) return PTR_ERR(tlink); } tcon = tlink_tcon(tlink); + server = tcon->ses->server; full_path = build_path_from_dentry(file->f_path.dentry); if (full_path == NULL) { @@ -432,6 +435,9 @@ int cifs_open(struct inode *inode, struct file *file) } if (!posix_open_ok) { + if (server->ops->get_lease_key) + server->ops->get_lease_key(inode, &fid); + rc = cifs_nt_open(full_path, inode, cifs_sb, tcon, file->f_flags, &oplock, &fid, xid); if (rc) @@ -440,8 +446,8 @@ int cifs_open(struct inode *inode, struct file *file) cfile = cifs_new_fileinfo(&fid, file, tlink, oplock); if (cfile == NULL) { - if (tcon->ses->server->ops->close) - tcon->ses->server->ops->close(xid, tcon, &fid); + if (server->ops->close) + server->ops->close(xid, tcon, &fid); rc = -ENOMEM; goto out; } @@ -567,6 +573,9 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; + if (server->ops->get_lease_key) + server->ops->get_lease_key(inode, &fid); + /* * Can not refresh inode by passing in file_info buf to be returned by * CIFSSMBOpen and then calling get_inode_info with returned buf since |