From 8f50c8b7ffc727643693f33657a857aeeefbd80b Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Tue, 22 Feb 2022 10:15:07 -0500 Subject: ext4: Use scoped memory API in mext_page_double_lock() Replace use of AOP_FLAG_NOFS with calls to memalloc_nofs_save() and memalloc_nofs_restore(). Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Theodore Ts'o --- fs/ext4/move_extent.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'fs/ext4') diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 95aa212f0863..56f21272fb00 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "ext4_jbd2.h" #include "ext4.h" #include "ext4_extents.h" @@ -127,7 +128,7 @@ mext_page_double_lock(struct inode *inode1, struct inode *inode2, pgoff_t index1, pgoff_t index2, struct page *page[2]) { struct address_space *mapping[2]; - unsigned fl = AOP_FLAG_NOFS; + unsigned int flags; BUG_ON(!inode1 || !inode2); if (inode1 < inode2) { @@ -139,11 +140,15 @@ mext_page_double_lock(struct inode *inode1, struct inode *inode2, mapping[1] = inode1->i_mapping; } - page[0] = grab_cache_page_write_begin(mapping[0], index1, fl); - if (!page[0]) + flags = memalloc_nofs_save(); + page[0] = grab_cache_page_write_begin(mapping[0], index1, 0); + if (!page[0]) { + memalloc_nofs_restore(flags); return -ENOMEM; + } - page[1] = grab_cache_page_write_begin(mapping[1], index2, fl); + page[1] = grab_cache_page_write_begin(mapping[1], index2, 0); + memalloc_nofs_restore(flags); if (!page[1]) { unlock_page(page[0]); put_page(page[0]); -- cgit v1.2.3