Ping, On 2017/8/8 19:09, Chao Yu wrote: > During atomic committing, if we encounter -ENOMEM in revoke path, it's > better to give a chance to retry revoking. > > Signed-off-by: Chao Yu <yuch...@huawei.com> > --- > fs/f2fs/segment.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 45fb53411032..682ae68b9ef7 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -213,9 +213,15 @@ static int __revoke_inmem_pages(struct inode *inode, > struct node_info ni; > > trace_f2fs_commit_inmem_page(page, INMEM_REVOKE); > - > +retry: > set_new_dnode(&dn, inode, NULL, NULL, 0); > - if (get_dnode_of_data(&dn, page->index, LOOKUP_NODE)) { > + err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE); > + if (err) { > + if (err == -ENOMEM) { > + congestion_wait(BLK_RW_ASYNC, HZ/50); > + cond_resched(); > + goto retry; > + } > err = -EAGAIN; > goto next; > } >
------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel