void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
{
shmem_undo_range(inode, lstart, lend, false);
- inode->i_ctime = inode->i_mtime = CURRENT_TIME;
+ inode->i_ctime = inode->i_mtime = current_time(inode);
}
EXPORT_SYMBOL_GPL(shmem_truncate_range);
struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
int error;
- error = inode_change_ok(inode, attr);
+ error = setattr_prepare(dentry, attr);
if (error)
return error;
if (error)
return error;
i_size_write(inode, newsize);
- inode->i_ctime = inode->i_mtime = CURRENT_TIME;
+ inode->i_ctime = inode->i_mtime = current_time(inode);
}
if (newsize <= oldsize) {
loff_t holebegin = round_up(newsize, PAGE_SIZE);
inode->i_ino = get_next_ino();
inode_init_owner(inode, dir, mode);
inode->i_blocks = 0;
- inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
inode->i_generation = get_seconds();
info = SHMEM_I(inode);
memset(info, 0, (char *)inode - (char *)info);
return retval ? retval : error;
}
-static ssize_t shmem_file_splice_read(struct file *in, loff_t *ppos,
- struct pipe_inode_info *pipe, size_t len,
- unsigned int flags)
-{
- struct address_space *mapping = in->f_mapping;
- struct inode *inode = mapping->host;
- unsigned int loff, nr_pages, req_pages;
- struct page *pages[PIPE_DEF_BUFFERS];
- struct partial_page partial[PIPE_DEF_BUFFERS];
- struct page *page;
- pgoff_t index, end_index;
- loff_t isize, left;
- int error, page_nr;
- struct splice_pipe_desc spd = {
- .pages = pages,
- .partial = partial,
- .nr_pages_max = PIPE_DEF_BUFFERS,
- .flags = flags,
- .ops = &page_cache_pipe_buf_ops,
- .spd_release = spd_release_page,
- };
-
- isize = i_size_read(inode);
- if (unlikely(*ppos >= isize))
- return 0;
-
- left = isize - *ppos;
- if (unlikely(left < len))
- len = left;
-
- if (splice_grow_spd(pipe, &spd))
- return -ENOMEM;
-
- index = *ppos >> PAGE_SHIFT;
- loff = *ppos & ~PAGE_MASK;
- req_pages = (len + loff + PAGE_SIZE - 1) >> PAGE_SHIFT;
- nr_pages = min(req_pages, spd.nr_pages_max);
-
- spd.nr_pages = find_get_pages_contig(mapping, index,
- nr_pages, spd.pages);
- index += spd.nr_pages;
- error = 0;
-
- while (spd.nr_pages < nr_pages) {
- error = shmem_getpage(inode, index, &page, SGP_CACHE);
- if (error)
- break;
- unlock_page(page);
- spd.pages[spd.nr_pages++] = page;
- index++;
- }
-
- index = *ppos >> PAGE_SHIFT;
- nr_pages = spd.nr_pages;
- spd.nr_pages = 0;
-
- for (page_nr = 0; page_nr < nr_pages; page_nr++) {
- unsigned int this_len;
-
- if (!len)
- break;
-
- this_len = min_t(unsigned long, len, PAGE_SIZE - loff);
- page = spd.pages[page_nr];
-
- if (!PageUptodate(page) || page->mapping != mapping) {
- error = shmem_getpage(inode, index, &page, SGP_CACHE);
- if (error)
- break;
- unlock_page(page);
- put_page(spd.pages[page_nr]);
- spd.pages[page_nr] = page;
- }
-
- isize = i_size_read(inode);
- end_index = (isize - 1) >> PAGE_SHIFT;
- if (unlikely(!isize || index > end_index))
- break;
-
- if (end_index == index) {
- unsigned int plen;
-
- plen = ((isize - 1) & ~PAGE_MASK) + 1;
- if (plen <= loff)
- break;
-
- this_len = min(this_len, plen - loff);
- len = this_len;
- }
-
- spd.partial[page_nr].offset = loff;
- spd.partial[page_nr].len = this_len;
- len -= this_len;
- loff = 0;
- spd.nr_pages++;
- index++;
- }
-
- while (page_nr < nr_pages)
- put_page(spd.pages[page_nr++]);
-
- if (spd.nr_pages)
- error = splice_to_pipe(pipe, &spd);
-
- splice_shrink_spd(&spd);
-
- if (error > 0) {
- *ppos += error;
- file_accessed(in);
- }
- return error;
-}
-
/*
* llseek SEEK_DATA or SEEK_HOLE through the radix_tree.
*/
if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size)
i_size_write(inode, offset + len);
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = current_time(inode);
undone:
spin_lock(&inode->i_lock);
inode->i_private = NULL;
error = 0;
dir->i_size += BOGO_DIRENT_SIZE;
- dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ dir->i_ctime = dir->i_mtime = current_time(dir);
d_instantiate(dentry, inode);
dget(dentry); /* Extra count - pin the dentry in core */
}
goto out;
dir->i_size += BOGO_DIRENT_SIZE;
- inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
inc_nlink(inode);
ihold(inode); /* New dentry reference */
dget(dentry); /* Extra pinning count for the created dentry */
shmem_free_inode(inode->i_sb);
dir->i_size -= BOGO_DIRENT_SIZE;
- inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
drop_nlink(inode);
dput(dentry); /* Undo the count from "create" - this does all the work */
return 0;
old_dir->i_ctime = old_dir->i_mtime =
new_dir->i_ctime = new_dir->i_mtime =
d_inode(old_dentry)->i_ctime =
- d_inode(new_dentry)->i_ctime = CURRENT_TIME;
+ d_inode(new_dentry)->i_ctime = current_time(old_dir);
return 0;
}
new_dir->i_size += BOGO_DIRENT_SIZE;
old_dir->i_ctime = old_dir->i_mtime =
new_dir->i_ctime = new_dir->i_mtime =
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = current_time(old_dir);
return 0;
}
put_page(page);
}
dir->i_size += BOGO_DIRENT_SIZE;
- dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ dir->i_ctime = dir->i_mtime = current_time(dir);
d_instantiate(dentry, inode);
dget(dentry);
return 0;
.readlink = generic_readlink,
.get_link = simple_get_link,
#ifdef CONFIG_TMPFS_XATTR
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = shmem_listxattr,
- .removexattr = generic_removexattr,
#endif
};
.readlink = generic_readlink,
.get_link = shmem_get_link,
#ifdef CONFIG_TMPFS_XATTR
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = shmem_listxattr,
- .removexattr = generic_removexattr,
#endif
};
.read_iter = shmem_file_read_iter,
.write_iter = generic_file_write_iter,
.fsync = noop_fsync,
- .splice_read = shmem_file_splice_read,
+ .splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.fallocate = shmem_fallocate,
#endif
.getattr = shmem_getattr,
.setattr = shmem_setattr,
#ifdef CONFIG_TMPFS_XATTR
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = shmem_listxattr,
- .removexattr = generic_removexattr,
.set_acl = simple_set_acl,
#endif
};
.mkdir = shmem_mkdir,
.rmdir = shmem_rmdir,
.mknod = shmem_mknod,
- .rename2 = shmem_rename2,
+ .rename = shmem_rename2,
.tmpfile = shmem_tmpfile,
#endif
#ifdef CONFIG_TMPFS_XATTR
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = shmem_listxattr,
- .removexattr = generic_removexattr,
#endif
#ifdef CONFIG_TMPFS_POSIX_ACL
.setattr = shmem_setattr,
static const struct inode_operations shmem_special_inode_operations = {
#ifdef CONFIG_TMPFS_XATTR
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = shmem_listxattr,
- .removexattr = generic_removexattr,
#endif
#ifdef CONFIG_TMPFS_POSIX_ACL
.setattr = shmem_setattr,
/* common code */
-static struct dentry_operations anon_ops = {
+static const struct dentry_operations anon_ops = {
.d_dname = simple_dname
};
projects / cascardo / linux.git / blobdiff