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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-22 10:15:07 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-05-08 14:28:19 -0400 |
| commit | 8f50c8b7ffc727643693f33657a857aeeefbd80b (patch) | |
| tree | 398be1ecbd78238c4ca70c706b593496a4cbe025 /fs/ext4/move_extent.c | |
| parent | 7333ed3587700680cfcd83a72dabc37ec40f08bf (diff) | |
| download | linux-stable-8f50c8b7ffc727643693f33657a857aeeefbd80b.tar.gz linux-stable-8f50c8b7ffc727643693f33657a857aeeefbd80b.tar.bz2 linux-stable-8f50c8b7ffc727643693f33657a857aeeefbd80b.zip | |
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) <willy@infradead.org>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/move_extent.c')
| -rw-r--r-- | fs/ext4/move_extent.c | 13 |
1 files changed, 9 insertions, 4 deletions
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 <linux/fs.h> #include <linux/quotaops.h> #include <linux/slab.h> +#include <linux/sched/mm.h> #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]); |