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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull second set of VFS changes from Al Viro:
 "Assorted f_pos race fixes, making do_splice_direct() safe to call with
  i_mutex on parent, O_TMPFILE support, Jeff's locks.c series,
  ->d_hash/->d_compare calling conventions changes from Linus, misc
  stuff all over the place."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  Document ->tmpfile()
  ext4: ->tmpfile() support
  vfs: export lseek_execute() to modules
  lseek_execute() doesn't need an inode passed to it
  block_dev: switch to fixed_size_llseek()
  cpqphp_sysfs: switch to fixed_size_llseek()
  tile-srom: switch to fixed_size_llseek()
  proc_powerpc: switch to fixed_size_llseek()
  ubi/cdev: switch to fixed_size_llseek()
  pci/proc: switch to fixed_size_llseek()
  isapnp: switch to fixed_size_llseek()
  lpfc: switch to fixed_size_llseek()
  locks: give the blocked_hash its own spinlock
  locks: add a new "lm_owner_key" lock operation
  locks: turn the blocked_list into a hashtable
  locks: convert fl_link to a hlist_node
  locks: avoid taking global lock if possible when waking up blocked waiters
  locks: protect most of the file_lock handling with i_lock
  locks: encapsulate the fl_link list handling
  locks: make "added" in __posix_lock_file a bool
  ...
This commit is contained in:
Linus Torvalds 2013-07-03 09:10:19 -07:00
commit 790eac5640
98 changed files with 979 additions and 986 deletions
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28
drivers/char/ps3flash.c
View file

@ -98,32 +98,8 @@ static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector)
static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)
{
struct ps3_storage_device *dev = ps3flash_dev;
loff_t res;
mutex_lock(&file->f_mapping->host->i_mutex);
switch (origin) {
case 0:
break;
case 1:
offset += file->f_pos;
break;
case 2:
offset += dev->regions[dev->region_idx].size*dev->blk_size;
break;
default:
offset = -1;
}
if (offset < 0) {
res = -EINVAL;
goto out;
}
file->f_pos = offset;
res = file->f_pos;
out:
mutex_unlock(&file->f_mapping->host->i_mutex);
return res;
return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE,
dev->regions[dev->region_idx].size*dev->blk_size);
}
static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf,

28
drivers/char/tile-srom.c
View file

@ -273,32 +273,10 @@ static ssize_t srom_write(struct file *filp, const char __user *buf,
}
/* Provide our own implementation so we can use srom->total_size. */
loff_t srom_llseek(struct file *filp, loff_t offset, int origin)
loff_t srom_llseek(struct file *file, loff_t offset, int origin)
{
struct srom_dev *srom = filp->private_data;
if (mutex_lock_interruptible(&srom->lock))
return -ERESTARTSYS;
switch (origin) {
case SEEK_END:
offset += srom->total_size;
break;
case SEEK_CUR:
offset += filp->f_pos;
break;
}
if (offset < 0 || offset > srom->total_size) {
offset = -EINVAL;
} else {
filp->f_pos = offset;
filp->f_version = 0;
}
mutex_unlock(&srom->lock);
return offset;
struct srom_dev *srom = file->private_data;
return fixed_size_llseek(file, offset, origin, srom->total_size);
}
static ssize_t total_show(struct device *dev,