diff options
| -rw-r--r-- | fs/ocfs2/export.c | 65 |
1 files changed, 24 insertions, 41 deletions
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index c3bbc19..3ad83e3 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -45,9 +45,9 @@ struct ocfs2_inode_handle u32 ih_generation; }; -static struct dentry *ocfs2_get_dentry(struct super_block *sb, void *vobjp) +static struct dentry *ocfs2_get_dentry(struct super_block *sb, + struct ocfs2_inode_handle *handle) { - struct ocfs2_inode_handle *handle = vobjp; struct inode *inode; struct dentry *result; @@ -194,54 +194,37 @@ bail: return type; } -static struct dentry *ocfs2_decode_fh(struct super_block *sb, u32 *fh_in, - int fh_len, int fileid_type, - int (*acceptable)(void *context, - struct dentry *de), - void *context) +static struct dentry *ocfs2_fh_to_dentry(struct super_block *sb, + struct fid *fid, int fh_len, int fh_type) { - struct ocfs2_inode_handle handle, parent; - struct dentry *ret = NULL; - __le32 *fh = (__force __le32 *) fh_in; - - mlog_entry("(0x%p, 0x%p, %d, %d, 0x%p, 0x%p)\n", - sb, fh, fh_len, fileid_type, acceptable, context); - - if (fh_len < 3 || fileid_type > 2) - goto bail; - - if (fileid_type == 2) { - if (fh_len < 6) - goto bail; - - parent.ih_blkno = (u64)le32_to_cpu(fh[3]) << 32; - parent.ih_blkno |= (u64)le32_to_cpu(fh[4]); - parent.ih_generation = le32_to_cpu(fh[5]); + struct ocfs2_inode_handle handle; - mlog(0, "Decoding parent: blkno: %llu, generation: %u\n", - (unsigned long long)parent.ih_blkno, - parent.ih_generation); - } + if (fh_len < 3 || fh_type > 2) + return NULL; - handle.ih_blkno = (u64)le32_to_cpu(fh[0]) << 32; - handle.ih_blkno |= (u64)le32_to_cpu(fh[1]); - handle.ih_generation = le32_to_cpu(fh[2]); + handle.ih_blkno = (u64)le32_to_cpu(fid->raw[0]) << 32; + handle.ih_blkno |= (u64)le32_to_cpu(fid->raw[1]); + handle.ih_generation = le32_to_cpu(fid->raw[2]); + return ocfs2_get_dentry(sb, &handle); +} - mlog(0, "Encoding fh: blkno: %llu, generation: %u\n", - (unsigned long long)handle.ih_blkno, handle.ih_generation); +static struct dentry *ocfs2_fh_to_parent(struct super_block *sb, + struct fid *fid, int fh_len, int fh_type) +{ + struct ocfs2_inode_handle parent; - ret = ocfs2_export_ops.find_exported_dentry(sb, &handle, &parent, - acceptable, context); + if (fh_type != 2 || fh_len < 6) + return NULL; -bail: - mlog_exit_ptr(ret); - return ret; + parent.ih_blkno = (u64)le32_to_cpu(fid->raw[3]) << 32; + parent.ih_blkno |= (u64)le32_to_cpu(fid->raw[4]); + parent.ih_generation = le32_to_cpu(fid->raw[5]); + return ocfs2_get_dentry(sb, &parent); } struct export_operations ocfs2_export_ops = { - .decode_fh = ocfs2_decode_fh, .encode_fh = ocfs2_encode_fh, - + .fh_to_dentry = ocfs2_fh_to_dentry, + .fh_to_parent = ocfs2_fh_to_parent, .get_parent = ocfs2_get_parent, - .get_dentry = ocfs2_get_dentry, }; |
