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aio: use new mapfree dirtifying

This commit is contained in:
Thomas Schoebel-Theuer 2017-12-10 11:11:13 +01:00
parent d8eac2ecba
commit 7d64386a21
1 changed files with 1 additions and 27 deletions
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28
kernel/mars_aio.c
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@ -163,27 +163,6 @@ done:
static
loff_t get_total_size(struct aio_output *output)
{
struct file *file;
struct inode *inode;
loff_t min;
file = output->mf->mf_filp;
if (unlikely(!file)) {
MARS_ERR("file is not open\n");
return -EILSEQ;
}
if (unlikely(!file->f_mapping)) {
MARS_ERR("file %p has no mapping\n", file);
return -EILSEQ;
}
inode = file->f_mapping->host;
if (unlikely(!inode)) {
MARS_ERR("file %p has no inode\n", file);
return -EILSEQ;
}
min = i_size_read(inode);
/* Workaround for races in the page cache.
* It appears that concurrent reads and writes seem to
* result in inconsistent reads in some very rare cases, due to
@ -191,12 +170,7 @@ loff_t get_total_size(struct aio_output *output)
* appended by a write operation, but the data has not actually hit
* the page cache, such that a concurrent read gets NULL blocks.
*/
if (!output->brick->is_static_device) {
loff_t max = 0;
mf_get_dirty(output->mf, &min, &max, 0, 99);
}
return min;
return mf_dirty_length(output->mf, DIRTY_COMPLETED);
}
static int aio_ref_get(struct aio_output *output, struct mref_object *mref)