diff options
Diffstat (limited to 'fs/iomap.c')
| -rw-r--r-- | fs/iomap.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/fs/iomap.c b/fs/iomap.c index 354a123f170e..0f85f2410605 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -41,7 +41,7 @@ */ loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags, - struct iomap_ops *ops, void *data, iomap_actor_t actor) + const struct iomap_ops *ops, void *data, iomap_actor_t actor) { struct iomap iomap = { 0 }; loff_t written = 0, ret; @@ -114,6 +114,9 @@ iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, unsigned flags, BUG_ON(pos + len > iomap->offset + iomap->length); + if (fatal_signal_pending(current)) + return -EINTR; + page = grab_cache_page_write_begin(inode->i_mapping, index, flags); if (!page) return -ENOMEM; @@ -232,7 +235,7 @@ again: ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *iter, - struct iomap_ops *ops) + const struct iomap_ops *ops) { struct inode *inode = iocb->ki_filp->f_mapping->host; loff_t pos = iocb->ki_pos, ret = 0, written = 0; @@ -315,7 +318,7 @@ iomap_dirty_actor(struct inode *inode, loff_t pos, loff_t length, void *data, int iomap_file_dirty(struct inode *inode, loff_t pos, loff_t len, - struct iomap_ops *ops) + const struct iomap_ops *ops) { loff_t ret; @@ -395,7 +398,7 @@ iomap_zero_range_actor(struct inode *inode, loff_t pos, loff_t count, int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len, bool *did_zero, - struct iomap_ops *ops) + const struct iomap_ops *ops) { loff_t ret; @@ -415,10 +418,10 @@ EXPORT_SYMBOL_GPL(iomap_zero_range); int iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero, - struct iomap_ops *ops) + const struct iomap_ops *ops) { - unsigned blocksize = (1 << inode->i_blkbits); - unsigned off = pos & (blocksize - 1); + unsigned int blocksize = i_blocksize(inode); + unsigned int off = pos & (blocksize - 1); /* Block boundary? Nothing to do */ if (!off) @@ -442,11 +445,10 @@ iomap_page_mkwrite_actor(struct inode *inode, loff_t pos, loff_t length, return length; } -int iomap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, - struct iomap_ops *ops) +int iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops) { struct page *page = vmf->page; - struct inode *inode = file_inode(vma->vm_file); + struct inode *inode = file_inode(vmf->vma->vm_file); unsigned long length; loff_t offset, size; ssize_t ret; @@ -542,7 +544,7 @@ iomap_fiemap_actor(struct inode *inode, loff_t pos, loff_t length, void *data, } int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fi, - loff_t start, loff_t len, struct iomap_ops *ops) + loff_t start, loff_t len, const struct iomap_ops *ops) { struct fiemap_ctx ctx; loff_t ret; @@ -733,9 +735,9 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length, void *data, struct iomap *iomap) { struct iomap_dio *dio = data; - unsigned blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev)); - unsigned fs_block_size = (1 << inode->i_blkbits), pad; - unsigned align = iov_iter_alignment(dio->submit.iter); + unsigned int blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev)); + unsigned int fs_block_size = i_blocksize(inode), pad; + unsigned int align = iov_iter_alignment(dio->submit.iter); struct iov_iter iter; struct bio *bio; bool need_zeroout = false; @@ -836,8 +838,8 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length, } ssize_t -iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, struct iomap_ops *ops, - iomap_dio_end_io_t end_io) +iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + const struct iomap_ops *ops, iomap_dio_end_io_t end_io) { struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = file_inode(iocb->ki_filp); |