diff options
| author | David S. Miller <davem@davemloft.net> | 2008-12-15 20:03:50 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-15 20:03:50 -0800 |
| commit | eb14f019597cd86c21a6c601d7e900f40030c2e7 (patch) | |
| tree | 36fb2f36a1747f98988f87215db1eef3a71d45eb /fs/block_dev.c | |
| parent | 9a4a84294b0d60b8c287131478f743ba2bc68949 (diff) | |
| parent | a3dd15444baa9c7522c8457ab564c41219dfb44c (diff) | |
| download | blackbird-obmc-linux-eb14f019597cd86c21a6c601d7e900f40030c2e7.tar.gz blackbird-obmc-linux-eb14f019597cd86c21a6c601d7e900f40030c2e7.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/e1000e/ich8lan.c
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index db831efbdbbd..99e0ae1a4c78 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1135,12 +1135,15 @@ static int blkdev_open(struct inode * inode, struct file * filp) if (res) return res; - if (!(filp->f_mode & FMODE_EXCL)) - return 0; + if (filp->f_mode & FMODE_EXCL) { + res = bd_claim(bdev, filp); + if (res) + goto out_blkdev_put; + } - if (!(res = bd_claim(bdev, filp))) - return 0; + return 0; + out_blkdev_put: blkdev_put(bdev, filp->f_mode); return res; } @@ -1203,8 +1206,16 @@ static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg) { struct block_device *bdev = I_BDEV(file->f_mapping->host); fmode_t mode = file->f_mode; + + /* + * O_NDELAY can be altered using fcntl(.., F_SETFL, ..), so we have + * to updated it before every ioctl. + */ if (file->f_flags & O_NDELAY) - mode |= FMODE_NDELAY_NOW; + mode |= FMODE_NDELAY; + else + mode &= ~FMODE_NDELAY; + return blkdev_ioctl(bdev, mode, cmd, arg); } |
