xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFS: Switch from intr mount option to TASK_KILLABLE

Browse Source 
By using the TASK_KILLABLE infrastructure, we can get rid of the 'intr'
mount option.  We have to use _killable everywhere instead of _interruptible
as we get rid of rpc_clnt_sigmask/sigunmask.

Signed-off-by: Liam R. Howlett <howlett@gmail.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
This commit is contained in:
Matthew Wilcox
2007-12-06 16:24:39 -05:00
committed by Matthew Wilcox
parent 009e577e07
commit 150030b78a
19 changed files with 30 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
fs/nfs/pagelist.c
View File

@@ -67,7 +67,7 @@ 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();
}
@@ -175,11 +175,11 @@ 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();
@@ -190,26 +190,18 @@ 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;
}