}
int btrfs_reflink(int infd, int outfd) {
- struct stat st;
int r;
assert(infd >= 0);
assert(outfd >= 0);
- /* Make sure we invoke the ioctl on a regular file, so that no
- * device driver accidentally gets it. */
-
- if (fstat(outfd, &st) < 0)
- return -errno;
+ /* Make sure we invoke the ioctl on a regular file, so that no device driver accidentally gets it. */
- if (!S_ISREG(st.st_mode))
- return -EINVAL;
-
- r = ioctl(outfd, BTRFS_IOC_CLONE, infd);
+ r = fd_verify_regular(outfd);
if (r < 0)
+ return r;
+
+ if (ioctl(outfd, BTRFS_IOC_CLONE, infd) < 0)
return -errno;
return 0;
.src_length = sz,
.dest_offset = out_offset,
};
- struct stat st;
int r;
assert(infd >= 0);
assert(outfd >= 0);
assert(sz > 0);
- if (fstat(outfd, &st) < 0)
- return -errno;
-
- if (!S_ISREG(st.st_mode))
- return -EINVAL;
-
- r = ioctl(outfd, BTRFS_IOC_CLONE_RANGE, &args);
+ r = fd_verify_regular(outfd);
if (r < 0)
+ return r;
+
+ if (ioctl(outfd, BTRFS_IOC_CLONE_RANGE, &args) < 0)
return -errno;
return 0;
}
int btrfs_defrag_fd(int fd) {
- struct stat st;
+ int r;
assert(fd >= 0);
- if (fstat(fd, &st) < 0)
- return -errno;
-
- if (!S_ISREG(st.st_mode))
- return -EINVAL;
+ r = fd_verify_regular(fd);
+ if (r < 0)
+ return r;
if (ioctl(fd, BTRFS_IOC_DEFRAG, NULL) < 0)
return -errno;
return 0;
}
- *ret = items;
- items = NULL;
+ *ret = TAKE_PTR(items);
return (int) n_items;
}