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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-27 00:14:02 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-27 00:14:02 +0100 |
| commit | 8e9d2089723d08d51e66c5eea49253d76e27941e (patch) | |
| tree | cf15609d5eeb0c1f3a39231d8ce793d3c8ad0ed0 /drivers/usb | |
| parent | Merge branch 'header-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
| parent | Rationalize fasync return values (diff) | |
| download | linux-8e9d2089723d08d51e66c5eea49253d76e27941e.tar.xz linux-8e9d2089723d08d51e66c5eea49253d76e27941e.zip | |
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6:
Rationalize fasync return values
Move FASYNC bit handling to f_op->fasync()
Use f_lock to protect f_flags
Rename struct file->f_ep_lock
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/file_storage.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index d3c2464dee82..5c030b080d4c 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -1711,7 +1711,9 @@ static int do_write(struct fsg_dev *fsg) curlun->sense_data = SS_WRITE_PROTECTED; return -EINVAL; } + spin_lock(&curlun->filp->f_lock); curlun->filp->f_flags &= ~O_SYNC; // Default is not to wait + spin_unlock(&curlun->filp->f_lock); /* Get the starting Logical Block Address and check that it's * not too big */ @@ -1728,8 +1730,11 @@ static int do_write(struct fsg_dev *fsg) curlun->sense_data = SS_INVALID_FIELD_IN_CDB; return -EINVAL; } - if (fsg->cmnd[1] & 0x08) // FUA + if (fsg->cmnd[1] & 0x08) { // FUA + spin_lock(&curlun->filp->f_lock); curlun->filp->f_flags |= O_SYNC; + spin_unlock(&curlun->filp->f_lock); + } } if (lba >= curlun->num_sectors) { curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; |