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| author | Pavel Shilovsky <piastry@etersoft.ru> | 2011-05-26 10:01:59 +0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2011-05-26 18:07:02 +0000 |
| commit | fa2989f4473413a86890066aa3a5676a53b541e4 (patch) | |
| tree | a033c59307ba77ae0819e818aec7d68178d11d4d /fs/cifs/dir.c | |
| parent | c28c89fc43e3f81436efc4748837534d4d46f90c (diff) | |
| download | linux-fa2989f4473413a86890066aa3a5676a53b541e4.tar.gz linux-fa2989f4473413a86890066aa3a5676a53b541e4.tar.bz2 linux-fa2989f4473413a86890066aa3a5676a53b541e4.zip | |
CIFS: Use pid saved from cifsFileInfo in writepages and set_file_size
We need it to make them work with mandatory locking style because
we can fail in a situation like when kernel need to flush dirty pages
and there is a lock held by a process who opened file.
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/dir.c')
| -rw-r--r-- | fs/cifs/dir.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 9ea65cf36714..0521492f5b3b 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -357,6 +357,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifsTconInfo *pTcon; + struct cifs_io_parms io_parms; char *full_path = NULL; struct inode *newinode = NULL; int oplock = 0; @@ -439,16 +440,19 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, * timestamps in, but we can reuse it safely */ pdev = (struct win_dev *)buf; + io_parms.netfid = fileHandle; + io_parms.pid = current->tgid; + io_parms.tcon = pTcon; + io_parms.offset = 0; + io_parms.length = sizeof(struct win_dev); if (S_ISCHR(mode)) { memcpy(pdev->type, "IntxCHR", 8); pdev->major = cpu_to_le64(MAJOR(device_number)); pdev->minor = cpu_to_le64(MINOR(device_number)); - rc = CIFSSMBWrite(xid, pTcon, - fileHandle, - sizeof(struct win_dev), - 0, &bytes_written, (char *)pdev, + rc = CIFSSMBWrite(xid, &io_parms, + &bytes_written, (char *)pdev, NULL, 0); } else if (S_ISBLK(mode)) { memcpy(pdev->type, "IntxBLK", 8); @@ -456,10 +460,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, cpu_to_le64(MAJOR(device_number)); pdev->minor = cpu_to_le64(MINOR(device_number)); - rc = CIFSSMBWrite(xid, pTcon, - fileHandle, - sizeof(struct win_dev), - 0, &bytes_written, (char *)pdev, + rc = CIFSSMBWrite(xid, &io_parms, + &bytes_written, (char *)pdev, NULL, 0); } /* else if (S_ISFIFO) */ CIFSSMBClose(xid, pTcon, fileHandle); |