diff options
author | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
commit | fe4c808f845e2ff3a3fb6c66009ab69c8d01bf57 (patch) | |
tree | 82ce8b6476c1c4c84ab05a49c94317f1ce8ac1b7 /fs/ubifs | |
parent | bbe8f0ee88a1eb4bb1e72e593b008faf387f30ac (diff) | |
parent | 0ac0a856d986c1ab240753479f5e50fdfab82b14 (diff) |
Merge tag 'v3.18.37' into linux-linaro-lsk-v3.18lsk-v3.18-16.07
This is the 3.18.37 stable release
Diffstat (limited to 'fs/ubifs')
-rw-r--r-- | fs/ubifs/file.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index b5b593c45270..d37140e5b722 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -54,6 +54,7 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/slab.h> +#include <linux/migrate.h> static int read_block(struct inode *inode, void *addr, unsigned int block, struct ubifs_data_node *dn) @@ -1419,6 +1420,26 @@ static int ubifs_set_page_dirty(struct page *page) return ret; } +#ifdef CONFIG_MIGRATION +static int ubifs_migrate_page(struct address_space *mapping, + struct page *newpage, struct page *page, enum migrate_mode mode) +{ + int rc; + + rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0); + if (rc != MIGRATEPAGE_SUCCESS) + return rc; + + if (PagePrivate(page)) { + ClearPagePrivate(page); + SetPagePrivate(newpage); + } + + migrate_page_copy(newpage, page); + return MIGRATEPAGE_SUCCESS; +} +#endif + static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags) { /* @@ -1556,6 +1577,9 @@ const struct address_space_operations ubifs_file_address_operations = { .write_end = ubifs_write_end, .invalidatepage = ubifs_invalidatepage, .set_page_dirty = ubifs_set_page_dirty, +#ifdef CONFIG_MIGRATION + .migratepage = ubifs_migrate_page, +#endif .releasepage = ubifs_releasepage, }; |