evie/android_kernel_oneplus_msm8998
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ceph_aio_write(): switch to generic_perform_write()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-02-11 22:28:43 -05:00
parent 0a64bc2c04
commit aec605f429
1 changed files with 5 additions and 2 deletions
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7
fs/ceph/file.c
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@ -970,6 +970,7 @@ retry_snap:
goto retry_snap; goto retry_snap;
} }
} else { } else {
struct iov_iter from;
/* /*
* No need to acquire the i_truncate_mutex. Because * No need to acquire the i_truncate_mutex. Because
* the MDS revokes Fwb caps before sending truncate * the MDS revokes Fwb caps before sending truncate
@ -977,8 +978,10 @@ retry_snap:
* are pending vmtruncate. So write and vmtruncate * are pending vmtruncate. So write and vmtruncate
* can not run at the same time * can not run at the same time
*/ */
written = generic_file_buffered_write(iocb, iov, nr_segs, iov_iter_init(&from, iov, nr_segs, count, 0);
pos, count, 0); written = generic_perform_write(file, &from, pos);
if (likely(written >= 0))
iocb->ki_pos = pos + written;
mutex_unlock(&inode->i_mutex); mutex_unlock(&inode->i_mutex);
} }