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Diffstat (limited to 'fs/nilfs2/ifile.c')
-rw-r--r--fs/nilfs2/ifile.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index a8a4bc8490..612e609158 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -15,6 +15,7 @@
#include "mdt.h"
#include "alloc.h"
#include "ifile.h"
+#include "cpfile.h"
/**
* struct nilfs_ifile_info - on-memory private data of ifile
@@ -115,11 +116,11 @@ int nilfs_ifile_delete_inode(struct inode *ifile, ino_t ino)
return ret;
}
- kaddr = kmap_atomic(req.pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req.pr_entry_bh->b_page);
raw_inode = nilfs_palloc_block_get_entry(ifile, req.pr_entry_nr,
req.pr_entry_bh, kaddr);
raw_inode->i_flags = 0;
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
mark_buffer_dirty(req.pr_entry_bh);
brelse(req.pr_entry_bh);
@@ -173,14 +174,18 @@ int nilfs_ifile_count_free_inodes(struct inode *ifile,
* nilfs_ifile_read - read or get ifile inode
* @sb: super block instance
* @root: root object
+ * @cno: number of checkpoint entry to read
* @inode_size: size of an inode
- * @raw_inode: on-disk ifile inode
- * @inodep: buffer to store the inode
+ *
+ * Return: 0 on success, or the following negative error code on failure.
+ * * %-EINVAL - Invalid checkpoint.
+ * * %-ENOMEM - Insufficient memory available.
+ * * %-EIO - I/O error (including metadata corruption).
*/
int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root,
- size_t inode_size, struct nilfs_inode *raw_inode,
- struct inode **inodep)
+ __u64 cno, size_t inode_size)
{
+ struct the_nilfs *nilfs;
struct inode *ifile;
int err;
@@ -201,13 +206,13 @@ int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root,
nilfs_palloc_setup_cache(ifile, &NILFS_IFILE_I(ifile)->palloc_cache);
- err = nilfs_read_inode_common(ifile, raw_inode);
+ nilfs = sb->s_fs_info;
+ err = nilfs_cpfile_read_checkpoint(nilfs->ns_cpfile, cno, root, ifile);
if (err)
goto failed;
unlock_new_inode(ifile);
out:
- *inodep = ifile;
return 0;
failed:
iget_failed(ifile);