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cifs: remove set but not used variables

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Fixes gcc '-Wunused-but-set-variable' warning:

fs/cifs/file.c: In function cifs_lock:
fs/cifs/file.c:1696:24: warning: variable cinode set but not used [-Wunused-but-set-variable]
fs/cifs/file.c: In function cifs_write:
fs/cifs/file.c:1765:23: warning: variable cifs_sb set but not used [-Wunused-but-set-variable]
fs/cifs/file.c: In function collect_uncached_read_data:
fs/cifs/file.c:3578:20: warning: variable tcon set but not used [-Wunused-but-set-variable]

'cinode' is never used since introduced by
commit 03776f4516 ("CIFS: Simplify byte range locking code")
'cifs_sb' is not used since commit cb7e9eabb2 ("CIFS: Use
multicredits for SMB 2.1/3 writes").
'tcon' is not used since commit d26e2903fc ("smb3: fix bytes_read statistics")

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
YueHaibing 2019-08-23 20:15:35 +08:00 committed by Steve French
parent df58fae724
commit 31ebdc1134
1 changed files with 0 additions and 7 deletions
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7
fs/cifs/file.c
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@ -1693,7 +1693,6 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
bool posix_lck = false;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
struct cifsInodeInfo *cinode;
struct cifsFileInfo *cfile;
__u32 type;
@ -1710,7 +1709,6 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
cifs_read_flock(flock, &type, &lock, &unlock, &wait_flag,
tcon->ses->server);
cifs_sb = CIFS_FILE_SB(file);
cinode = CIFS_I(file_inode(file));
if (cap_unix(tcon->ses) &&
(CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&
@ -1762,7 +1760,6 @@ cifs_write(struct cifsFileInfo *open_file, __u32 pid, const char *write_data,
int rc = 0;
unsigned int bytes_written = 0;
unsigned int total_written;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
unsigned int xid;
@ -1770,8 +1767,6 @@ cifs_write(struct cifsFileInfo *open_file, __u32 pid, const char *write_data,
struct cifsInodeInfo *cifsi = CIFS_I(d_inode(dentry));
struct cifs_io_parms io_parms;
cifs_sb = CIFS_SB(dentry->d_sb);
cifs_dbg(FYI, "write %zd bytes to offset %lld of %pd\n",
write_size, *offset, dentry);
@ -3575,10 +3570,8 @@ collect_uncached_read_data(struct cifs_aio_ctx *ctx)
struct cifs_readdata *rdata, *tmp;
struct iov_iter *to = &ctx->iter;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
int rc;
tcon = tlink_tcon(ctx->cfile->tlink);
cifs_sb = CIFS_SB(ctx->cfile->dentry->d_sb);
mutex_lock(&ctx->aio_mutex);