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Merge branch 'task_killable' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc

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* 'task_killable' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc: (22 commits)
  Remove commented-out code copied from NFS
  NFS: Switch from intr mount option to TASK_KILLABLE
  Add wait_for_completion_killable
  Add wait_event_killable
  Add schedule_timeout_killable
  Use mutex_lock_killable in vfs_readdir
  Add mutex_lock_killable
  Use lock_page_killable
  Add lock_page_killable
  Add fatal_signal_pending
  Add TASK_WAKEKILL
  exit: Use task_is_*
  signal: Use task_is_*
  sched: Use task_contributes_to_load, TASK_ALL and TASK_NORMAL
  ptrace: Use task_is_*
  power: Use task_is_*
  wait: Use TASK_NORMAL
  proc/base.c: Use task_is_*
  proc/array.c: Use TASK_REPORT
  perfmon: Use task_is_*
  ...

Fixed up conflicts in NFS/sunrpc manually..
This commit is contained in:
Linus Torvalds
2008-02-01 11:45:47 +11:00
parent fbdde7bd27 2dfe485a2c
commit 75659ca0c1
38 changed files with 282 additions and 252 deletions
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19
fs/nfs/pagelist.c
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@@ -58,7 +58,6 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
struct page *page,
unsigned int offset, unsigned int count)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_page *req;
for (;;) {
@@ -67,7 +66,7 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
if (req != NULL)
break;
if (signalled() && (server->flags & NFS_MOUNT_INTR))
if (fatal_signal_pending(current))
return ERR_PTR(-ERESTARTSYS);
yield();
}
@@ -177,11 +176,11 @@ void nfs_release_request(struct nfs_page *req)
kref_put(&req->wb_kref, nfs_free_request);
}
static int nfs_wait_bit_interruptible(void *word)
static int nfs_wait_bit_killable(void *word)
{
int ret = 0;
if (signal_pending(current))
if (fatal_signal_pending(current))
ret = -ERESTARTSYS;
else
schedule();
@@ -192,26 +191,18 @@ static int nfs_wait_bit_interruptible(void *word)
* nfs_wait_on_request - Wait for a request to complete.
* @req: request to wait upon.
*
* Interruptible by signals only if mounted with intr flag.
* Interruptible by fatal signals only.
* The user is responsible for holding a count on the request.
*/
int
nfs_wait_on_request(struct nfs_page *req)
{
struct rpc_clnt *clnt = NFS_CLIENT(req->wb_context->path.dentry->d_inode);
sigset_t oldmask;
int ret = 0;
if (!test_bit(PG_BUSY, &req->wb_flags))
goto out;
/*
* Note: the call to rpc_clnt_sigmask() suffices to ensure that we
* are not interrupted if intr flag is not set
*/
rpc_clnt_sigmask(clnt, &oldmask);
ret = out_of_line_wait_on_bit(&req->wb_flags, PG_BUSY,
nfs_wait_bit_interruptible, TASK_INTERRUPTIBLE);
rpc_clnt_sigunmask(clnt, &oldmask);
nfs_wait_bit_killable, TASK_KILLABLE);
out:
return ret;
}