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| author | Jeff Layton <jlayton@redhat.com> | 2012-05-16 07:13:17 -0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2012-05-16 20:13:30 -0500 |
| commit | 2a1bb13853300bbb5a58eab006189d2c0dc215a0 (patch) | |
| tree | aac510510cd175bfabd50dd7f3bb5d799ec1fa4a /fs/cifs/file.c | |
| parent | 6993f74a5bf836210e7f253d5ad3f76d73a95f51 (diff) | |
| download | lwn-2a1bb13853300bbb5a58eab006189d2c0dc215a0.tar.gz lwn-2a1bb13853300bbb5a58eab006189d2c0dc215a0.zip | |
cifs: add wrapper for cifs_async_readv to retry opening file
We'll need this same bit of code for the uncached case.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index ae285e0cf67b..d2a4259408e6 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2366,6 +2366,23 @@ cifs_readdata_release(struct kref *refcount) kfree(rdata); } +static int +cifs_retry_async_readv(struct cifs_readdata *rdata) +{ + int rc; + + do { + if (rdata->cfile->invalidHandle) { + rc = cifs_reopen_file(rdata->cfile, true); + if (rc != 0) + continue; + } + rc = cifs_async_readv(rdata); + } while (rc == -EAGAIN); + + return rc; +} + static ssize_t cifs_iovec_read(struct file *file, const struct iovec *iov, unsigned long nr_segs, loff_t *poffset) @@ -2852,15 +2869,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, rdata->marshal_iov = cifs_readpages_marshal_iov; list_splice_init(&tmplist, &rdata->pages); - do { - if (open_file->invalidHandle) { - rc = cifs_reopen_file(open_file, true); - if (rc != 0) - continue; - } - rc = cifs_async_readv(rdata); - } while (rc == -EAGAIN); - + rc = cifs_retry_async_readv(rdata); if (rc != 0) { list_for_each_entry_safe(page, tpage, &rdata->pages, lru) { |