We used to have to use noop_invalidatepage() to prevent block_invalidatepage() from being called, but that behaviour is now gone. Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- drivers/dax/device.c | 1 - fs/ext2/inode.c | 1 - fs/ext4/inode.c | 1 - fs/fuse/dax.c | 1 - fs/libfs.c | 11 ----------- fs/xfs/xfs_aops.c | 1 - include/linux/fs.h | 2 -- 7 files changed, 18 deletions(-) diff --git a/drivers/dax/device.c b/drivers/dax/device.c index d33a0613ed0c..7a59ca51217e 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -347,7 +347,6 @@ static unsigned long dax_get_unmapped_area(struct file *filp, static const struct address_space_operations dev_dax_aops = { .set_page_dirty = __set_page_dirty_no_writeback, - .invalidatepage = noop_invalidatepage, }; static int dax_open(struct inode *inode, struct file *filp) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 1e14777c3ca6..9b579ee56eaf 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1001,7 +1001,6 @@ static const struct address_space_operations ext2_dax_aops = { .writepages = ext2_dax_writepages, .direct_IO = noop_direct_IO, .set_page_dirty = __set_page_dirty_no_writeback, - .invalidatepage = noop_invalidatepage, }; /* diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 07ef3f84db9e..d7086209572a 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3632,7 +3632,6 @@ static const struct address_space_operations ext4_dax_aops = { .direct_IO = noop_direct_IO, .set_page_dirty = __set_page_dirty_no_writeback, .bmap = ext4_bmap, - .invalidatepage = noop_invalidatepage, .swap_activate = ext4_iomap_swap_activate, }; diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c index 182b24a14804..b11fa10b88d8 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -1327,7 +1327,6 @@ static const struct address_space_operations fuse_dax_file_aops = { .writepages = fuse_dax_writepages, .direct_IO = noop_direct_IO, .set_page_dirty = __set_page_dirty_no_writeback, - .invalidatepage = noop_invalidatepage, }; static bool fuse_should_enable_dax(struct inode *inode, unsigned int flags) diff --git a/fs/libfs.c b/fs/libfs.c index 974125270a42..4e047841e61d 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -1198,17 +1198,6 @@ int noop_fsync(struct file *file, loff_t start, loff_t end, int datasync) } EXPORT_SYMBOL(noop_fsync); -void noop_invalidatepage(struct page *page, unsigned int offset, - unsigned int length) -{ - /* - * There is no page cache to invalidate in the dax case, however - * we need this callback defined to prevent falling back to - * block_invalidatepage() in do_invalidatepage(). - */ -} -EXPORT_SYMBOL_GPL(noop_invalidatepage); - ssize_t noop_direct_IO(struct kiocb *iocb, struct iov_iter *iter) { /* diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 51a040b658cb..7dd314f2288f 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -582,6 +582,5 @@ const struct address_space_operations xfs_dax_aops = { .writepages = xfs_dax_writepages, .direct_IO = noop_direct_IO, .set_page_dirty = __set_page_dirty_no_writeback, - .invalidatepage = noop_invalidatepage, .swap_activate = xfs_iomap_swapfile_activate, }; diff --git a/include/linux/fs.h b/include/linux/fs.h index bcdb613cd652..a40ea82248da 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3323,8 +3323,6 @@ extern int simple_rename(struct user_namespace *, struct inode *, extern void simple_recursive_removal(struct dentry *, void (*callback)(struct dentry *)); extern int noop_fsync(struct file *, loff_t, loff_t, int); -extern void noop_invalidatepage(struct page *page, unsigned int offset, - unsigned int length); extern ssize_t noop_direct_IO(struct kiocb *iocb, struct iov_iter *iter); extern int simple_empty(struct dentry *); extern int simple_write_begin(struct file *file, struct address_space *mapping, -- 2.34.1