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| author | Andrey Albershteyn <aalbersh@kernel.org> | 2026-05-20 14:37:07 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-06-05 13:36:22 +0200 |
| commit | 36a36c4cac914510123071fb58270f6380faed1b (patch) | |
| tree | bc87f8bbd45c175aa2e55a353b5e1ef342f1ff91 /fs/iomap | |
| parent | 1d140731753a277be36637300a0f3faa396edec1 (diff) | |
| download | linux-next-36a36c4cac914510123071fb58270f6380faed1b.tar.gz linux-next-36a36c4cac914510123071fb58270f6380faed1b.zip | |
iomap: introduce iomap_fsverity_write() for writing fsverity metadata
This is just a wrapper around iomap_file_buffered_write() to create
necessary iterator over metadata.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Andrey Albershteyn <aalbersh@kernel.org>
Link: https://patch.msgid.link/20260520123722.405752-10-aalbersh@kernel.org
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Diffstat (limited to 'fs/iomap')
| -rw-r--r-- | fs/iomap/buffered-io.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index f9cc5a32e222..dab4aacff313 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1290,6 +1290,31 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i, } EXPORT_SYMBOL_GPL(iomap_file_buffered_write); +int iomap_fsverity_write(struct file *file, loff_t pos, size_t length, + const void *buf, const struct iomap_ops *ops, + const struct iomap_write_ops *write_ops) +{ + int ret; + struct iov_iter iiter; + struct kvec kvec = { + .iov_base = (void *)buf, + .iov_len = length, + }; + struct kiocb iocb = { + .ki_filp = file, + .ki_ioprio = get_current_ioprio(), + .ki_pos = pos, + }; + + iov_iter_kvec(&iiter, WRITE, &kvec, 1, length); + + ret = iomap_file_buffered_write(&iocb, &iiter, ops, write_ops, NULL); + if (ret < 0) + return ret; + return ret == length ? 0 : -EIO; +} +EXPORT_SYMBOL_GPL(iomap_fsverity_write); + static void iomap_write_delalloc_ifs_punch(struct inode *inode, struct folio *folio, loff_t start_byte, loff_t end_byte, struct iomap *iomap, iomap_punch_t punch) |