diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index 66e05c6f4d27ae015358b2f3bd0c29c1c9e2e42d..38a5b580e7f0a49a8ab78a914b2bd54ba100ca7a 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -370,7 +370,7 @@ static ssize_t ll_direct_IO_26(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; struct ccc_object *obj = cl_inode2ccc(inode); - long count = iov_length(iter->iov, iter->nr_segs); + long count = iov_iter_count(iter); long tot_bytes = 0, result = 0; struct ll_inode_info *lli = ll_i2info(inode); unsigned long seg = 0; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 30a6cc51f32c907d7f5989397e2479db56563f59..c46a025d0c4b0482d028ee48c63f2bb21df95152 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7456,7 +7456,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, * we need to flush the dirty pages again to make absolutely sure * that any outstanding dirty pages are on disk. */ - count = iov_length(iter->iov, iter->nr_segs); + count = iov_iter_count(iter); if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, &BTRFS_I(inode)->runtime_flags)) filemap_fdatawrite_range(inode->i_mapping, offset, count); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 47fbe760a7f8be90e8aec0963ac57f395e8d0b30..116e809aa7cbbf2b4cfa53420958cd50f1a0718e 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -856,13 +856,13 @@ ext2_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, iter->nr_segs, ext2_get_block); if (ret < 0 && (rw & WRITE)) - ext2_write_failed(mapping, offset + - iov_length(iter->iov, iter->nr_segs)); + ext2_write_failed(mapping, offset + count); return ret; } diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index 7a5c501dc31b44787f9c7b25bc5d1aea98aae8bd..8582ae2c80b06912c11f24f424766fb41da1a54c 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1828,7 +1828,7 @@ static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb, handle_t *handle; ssize_t ret; int orphan = 0; - size_t count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); int retries = 0; trace_ext3_direct_IO_enter(inode, offset, count, rw); diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index eb5ae16902d0b9c77bd062253c341b11c7b9ccb8..123898a6af05ecaa60de6cee658595d6db75beae 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -647,7 +647,7 @@ ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb, handle_t *handle; ssize_t ret; int orphan = 0; - size_t count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); int retries = 0; if (rw == WRITE) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 29996c1b673ebd90d7e6e75f91d0e9964ef1c105..2b993579a96819b117fd9d9a37cf51b2aae585d9 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3090,7 +3090,7 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; ssize_t ret; - size_t count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); int overwrite = 0; get_block_t *get_block_func = NULL; int dio_flags = 0; @@ -3225,6 +3225,7 @@ static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; /* @@ -3237,13 +3238,12 @@ static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb, if (ext4_has_inline_data(inode)) return 0; - trace_ext4_direct_IO_enter(inode, offset, iov_length(iter->iov, iter->nr_segs), rw); + trace_ext4_direct_IO_enter(inode, offset, count, rw); if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) ret = ext4_ext_direct_IO(rw, iocb, iter, offset); else ret = ext4_ind_direct_IO(rw, iocb, iter, offset); - trace_ext4_direct_IO_exit(inode, offset, - iov_length(iter->iov, iter->nr_segs), rw, ret); + trace_ext4_direct_IO_exit(inode, offset, count, rw, ret); return ret; } diff --git a/fs/fat/inode.c b/fs/fat/inode.c index d5237a19905564a27bf19aec957039be9230229d..154a6f9d3189c4bd7c5008cf742d3a34ebb762a0 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -191,6 +191,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; if (rw == WRITE) { @@ -203,7 +204,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb, * * Return 0, and fallback to normal buffered write. */ - loff_t size = offset + iov_length(iter->iov, iter->nr_segs); + loff_t size = offset + count; if (MSDOS_I(inode)->mmu_private < size) return 0; } @@ -215,8 +216,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb, ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, iter->nr_segs, fat_get_block); if (ret < 0 && (rw & WRITE)) - fat_write_failed(mapping, offset + - iov_length(iter->iov, iter->nr_segs)); + fat_write_failed(mapping, offset + count); return ret; } diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 17d96f36df159c80f75afa58cae7778c020edac1..36f15f9c1de24859f9d3a972d0b8793bdd4c5f9b 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2900,7 +2900,7 @@ fuse_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos = 0; struct inode *inode; loff_t i_size; - size_t count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); struct fuse_io_priv *io; pos = offset; diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index e84ddaa421042974b508bb8f9b3420092d7da067..228a12d2afa9aedf3bc4a60e653d54e881f93bf2 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -1081,7 +1081,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, */ if (mapping->nrpages) { loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); - loff_t len = iov_length(iter->iov, iter->nr_segs); + loff_t len = iov_iter_count(iter); loff_t end = PAGE_ALIGN(offset + len) - 1; rv = 0; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 09cff13528c5261e1d0a89a8b97b4c93443fa0a7..dc69e8f315818bd6e05a40200240637399391c27 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -130,6 +130,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = file_inode(file)->i_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, @@ -141,7 +142,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, */ if (unlikely((rw & WRITE) && ret < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iter->iov, iter->nr_segs); + loff_t end = offset + count; if (end > isize) hfs_write_failed(mapping, end); diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 7f894a5b5eafa5a419c5c8a7b0824a559644102f..e6b1251af47aece2f704bf3ece196709f91083eb 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -128,6 +128,7 @@ static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = file_inode(file)->i_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, iter->nr_segs, @@ -139,7 +140,7 @@ static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb, */ if (unlikely((rw & WRITE) && ret < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iter->iov, iter->nr_segs); + loff_t end = offset + count; if (end > isize) hfsplus_write_failed(mapping, end); diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 7052744d51074b9a1ef4e8b2adfc8dc2c2bfdc42..6cde5928693bb48dde5520361a716dee8bdc6cba 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -336,6 +336,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = file->f_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, @@ -347,7 +348,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb, */ if (unlikely((rw & WRITE) && ret < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iter->iov, iter->nr_segs); + loff_t end = offset + count; if (end > isize) jfs_write_failed(mapping, end); diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 21723149668b39b706fa72172bffc1d5263600a8..1d34f454989ea6a6310084d97f3835ea7e7066f2 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -486,9 +486,7 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter, struct nfs_direct_req *dreq; struct nfs_lock_context *l_ctx; ssize_t result = -EINVAL; - size_t count; - - count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); nfs_add_stats(mapping->host, NFSIOS_DIRECTREADBYTES, count); dfprintk(FILE, "NFS: direct read(%pD2, %zd@%Ld)\n", @@ -877,7 +875,7 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq, get_dreq(dreq); atomic_inc(&inode->i_dio_count); - NFS_I(dreq->inode)->write_io += iov_length(iter->iov, iter->nr_segs); + NFS_I(dreq->inode)->write_io += iov_iter_count(iter); for (seg = 0; seg < iter->nr_segs; seg++) { const struct iovec *vec = &iter->iov[seg]; result = nfs_direct_write_schedule_segment(&desc, vec, pos, uio); @@ -936,9 +934,7 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter, struct nfs_direct_req *dreq; struct nfs_lock_context *l_ctx; loff_t end; - size_t count; - - count = iov_length(iter->iov, iter->nr_segs); + size_t count = iov_iter_count(iter); end = (pos + count - 1) >> PAGE_CACHE_SHIFT; nfs_add_stats(mapping->host, NFSIOS_DIRECTWRITTENBYTES, count); diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 1c0e8fedc09593b2468ed6fdc9bc3be942a4dea1..7aaf913e8709a0145c44754234b3635b7b5b8a5c 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -304,6 +304,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = file->f_mapping->host; + size_t count = iov_iter_count(iter); ssize_t size; if (rw == WRITE) @@ -319,7 +320,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, */ if (unlikely((rw & WRITE) && size < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iter->iov, iter->nr_segs); + loff_t end = offset + count; if (end > isize) nilfs_write_failed(mapping, end); diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 17bf4c41a5092e0934fef60d14f768d24eaef7aa..723affe921f1bdfc6104000c62535fbc10b29403 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -3087,6 +3087,7 @@ static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, @@ -3098,7 +3099,7 @@ static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb, */ if (unlikely((rw & WRITE) && ret < 0)) { loff_t isize = i_size_read(inode); - loff_t end = offset + iov_length(iter->iov, iter->nr_segs); + loff_t end = offset + count; if ((end > isize) && inode_newsize_ok(inode, isize) == 0) { truncate_setsize(inode, isize); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 5b184c7f7dcbf0cfcd2c3a24d313afc31db45df8..28984baf61949d15adf355035da0df2d21e526d9 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -223,12 +223,13 @@ static ssize_t udf_direct_IO(int rw, struct kiocb *iocb, struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; + size_t count = iov_iter_count(iter); ssize_t ret; ret = blockdev_direct_IO(rw, iocb, inode, iter->iov, offset, iter->nr_segs, udf_get_block); if (unlikely(ret < 0 && (rw & WRITE))) - udf_write_failed(mapping, offset + iov_length(iter->iov, iter->nr_segs)); + udf_write_failed(mapping, offset + count); return ret; } diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 330d7b1c4be34a204db18f53569bde13ef7039bc..6462b3186784bb7af25759e3aa2223deeb2ea612 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1458,7 +1458,7 @@ xfs_vm_direct_IO( ssize_t ret; if (rw & WRITE) { - size_t size = iov_length(iter->iov, iter->nr_segs); + size_t size = iov_iter_count(iter); /* * We cannot preallocate a size update transaction here as we diff --git a/mm/filemap.c b/mm/filemap.c index 139641274f1e182631b0b936482621be9fe48b30..70c048ea36e0b19e95aa1f729cadb36d1c334c88 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1698,7 +1698,7 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, goto out; /* skip atime */ size = i_size_read(inode); retval = filemap_write_and_wait_range(mapping, pos, - pos + iov_length(iov, nr_segs) - 1); + pos + count - 1); if (!retval) retval = mapping->a_ops->direct_IO(READ, iocb, &i, pos);