diff options
author | Miklos Szeredi <mszeredi@redhat.com> | 2024-10-21 12:33:38 +0200 |
---|---|---|
committer | Amir Goldstein <amir73il@gmail.com> | 2024-11-11 10:45:03 +0100 |
commit | 48b50624aec454ce0fa8f78ef96e2f43bc0be495 (patch) | |
tree | 607d8001af0e76d0a734c0f1ddbe830665ea9cff /fs/overlayfs | |
parent | 3b6b99ef15ea37635604992ede9ebcccef38a239 (diff) |
backing-file: clean up the API
- Pass iocb to ctx->end_write() instead of file + pos
- Get rid of ctx->user_file, which is redundant most of the time
- Instead pass iocb to backing_file_splice_read and
backing_file_splice_write
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r-- | fs/overlayfs/file.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index 4444c78e2e0c..12c4d502ff91 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -231,9 +231,9 @@ static void ovl_file_modified(struct file *file) ovl_copyattr(file_inode(file)); } -static void ovl_file_end_write(struct file *file, loff_t pos, ssize_t ret) +static void ovl_file_end_write(struct kiocb *iocb, ssize_t ret) { - ovl_file_modified(file); + ovl_file_modified(iocb->ki_filp); } static void ovl_file_accessed(struct file *file) @@ -271,7 +271,6 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter) ssize_t ret; struct backing_file_ctx ctx = { .cred = ovl_creds(file_inode(file)->i_sb), - .user_file = file, .accessed = ovl_file_accessed, }; @@ -298,7 +297,6 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) int ifl = iocb->ki_flags; struct backing_file_ctx ctx = { .cred = ovl_creds(inode->i_sb), - .user_file = file, .end_write = ovl_file_end_write, }; @@ -338,15 +336,18 @@ static ssize_t ovl_splice_read(struct file *in, loff_t *ppos, ssize_t ret; struct backing_file_ctx ctx = { .cred = ovl_creds(file_inode(in)->i_sb), - .user_file = in, .accessed = ovl_file_accessed, }; + struct kiocb iocb; ret = ovl_real_fdget(in, &real); if (ret) return ret; - ret = backing_file_splice_read(fd_file(real), ppos, pipe, len, flags, &ctx); + init_sync_kiocb(&iocb, in); + iocb.ki_pos = *ppos; + ret = backing_file_splice_read(fd_file(real), &iocb, pipe, len, flags, &ctx); + *ppos = iocb.ki_pos; fdput(real); return ret; @@ -368,9 +369,9 @@ static ssize_t ovl_splice_write(struct pipe_inode_info *pipe, struct file *out, ssize_t ret; struct backing_file_ctx ctx = { .cred = ovl_creds(inode->i_sb), - .user_file = out, .end_write = ovl_file_end_write, }; + struct kiocb iocb; inode_lock(inode); /* Update mode */ @@ -380,9 +381,13 @@ static ssize_t ovl_splice_write(struct pipe_inode_info *pipe, struct file *out, if (ret) goto out_unlock; - ret = backing_file_splice_write(pipe, fd_file(real), ppos, len, flags, &ctx); + init_sync_kiocb(&iocb, out); + iocb.ki_pos = *ppos; + ret = backing_file_splice_write(pipe, fd_file(real), &iocb, len, flags, &ctx); + *ppos = iocb.ki_pos; fdput(real); + out_unlock: inode_unlock(inode); @@ -420,7 +425,6 @@ static int ovl_mmap(struct file *file, struct vm_area_struct *vma) struct file *realfile = file->private_data; struct backing_file_ctx ctx = { .cred = ovl_creds(file_inode(file)->i_sb), - .user_file = file, .accessed = ovl_file_accessed, }; |