dax: Convert dax_lock_mapping_entry to XArray
authorMatthew Wilcox <willy@infradead.org>
Tue, 12 Jun 2018 13:46:30 +0000 (09:46 -0400)
committerMatthew Wilcox <willy@infradead.org>
Sun, 21 Oct 2018 14:46:44 +0000 (10:46 -0400)
commit9f32d221301c3e754b24c77ab11bf793b19f51b5
treebcab75e761b6f24e771de49c02bf46ec161ee149
parent9fc747f68d49f4b63029e3a1e87c49d23771a199
dax: Convert dax_lock_mapping_entry to XArray

Instead of always retrying when we slept, only retry if the page has
moved.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
fs/dax.c