From 03d95eb2f2578083a3f6286262e1cb5d88a00c02 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 20 Mar 2013 13:04:20 -0400 Subject: lift sb_start_write() out of ->write() Signed-off-by: Al Viro --- fs/read_write.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) (limited to 'fs/read_write.c') diff --git a/fs/read_write.c b/fs/read_write.c index e6dd1c2d0592..a1f4d44cbc03 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -398,7 +398,6 @@ ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, lof struct kiocb kiocb; ssize_t ret; - file_start_write(filp); init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; kiocb.ki_left = len; @@ -414,7 +413,6 @@ ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, lof if (-EIOCBQUEUED == ret) ret = wait_on_sync_kiocb(&kiocb); *ppos = kiocb.ki_pos; - file_end_write(filp); return ret; } @@ -458,6 +456,7 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_ ret = rw_verify_area(WRITE, file, pos, count); if (ret >= 0) { count = ret; + file_start_write(file); if (file->f_op->write) ret = file->f_op->write(file, buf, count, pos); else @@ -467,6 +466,7 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_ add_wchar(current, ret); } inc_syscw(current); + file_end_write(file); } return ret; @@ -758,16 +758,18 @@ static ssize_t do_readv_writev(int type, struct file *file, } else { fn = (io_fn_t)file->f_op->write; fnv = file->f_op->aio_write; + file_start_write(file); } - if (fnv) { - file_start_write(file); + if (fnv) ret = do_sync_readv_writev(file, iov, nr_segs, tot_len, pos, fnv); - file_end_write(file); - } else + else ret = do_loop_readv_writev(file, iov, nr_segs, pos, fn); + if (type != READ) + file_end_write(file); + out: if (iov != iovstack) kfree(iov); @@ -936,16 +938,18 @@ static ssize_t compat_do_readv_writev(int type, struct file *file, } else { fn = (io_fn_t)file->f_op->write; fnv = file->f_op->aio_write; + file_start_write(file); } - if (fnv) { - file_start_write(file); + if (fnv) ret = do_sync_readv_writev(file, iov, nr_segs, tot_len, pos, fnv); - file_end_write(file); - } else + else ret = do_loop_readv_writev(file, iov, nr_segs, pos, fn); + if (type != READ) + file_end_write(file); + out: if (iov != iovstack) kfree(iov); -- cgit