diff options
author | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
commit | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (patch) | |
tree | eec5222580c4bca752ae35d5cef3842166e6f8c8 /fs/ubifs/file.c | |
parent | 439863d92fda525a8f3b326a24490e91c70f0496 (diff) | |
parent | 5880876e94699ce010554f483ccf0009997955ca (diff) |
Merge remote-tracking branch 'lts/linux-4.1.y' into linux-linaro-lsk-v4.1lsk-v4.1-16.07
Conflicts:
pick up 45d1abd9de arm64: Use PoU cache instr for I/D coherency
in arch/arm64/mm/flush.c
Diffstat (limited to 'fs/ubifs/file.c')
-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 35efc103c39c..75e9b2db14ab 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -53,6 +53,7 @@ #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) @@ -1420,6 +1421,26 @@ 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, }; |