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Diffstat (limited to 'fs/squashfs')
-rw-r--r--fs/squashfs/super.c71
1 files changed, 37 insertions, 34 deletions
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index d16c39263f3..401cc8c7608 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -214,6 +214,24 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
+ /* Handle xattrs */
+ sb->s_xattr = squashfs_xattr_handlers;
+ xattr_id_table_start = le64_to_cpu(sblk->xattr_id_table_start);
+ if (xattr_id_table_start == SQUASHFS_INVALID_BLK)
+ goto allocate_id_index_table;
+
+ /* Allocate and read xattr id lookup table */
+ msblk->xattr_id_table = squashfs_read_xattr_id_table(sb,
+ xattr_id_table_start, &msblk->xattr_table, &msblk->xattr_ids);
+ if (IS_ERR(msblk->xattr_id_table)) {
+ ERROR("unable to read xattr id index table\n");
+ err = PTR_ERR(msblk->xattr_id_table);
+ msblk->xattr_id_table = NULL;
+ if (err != -ENOTSUPP)
+ goto failed_mount;
+ }
+
+allocate_id_index_table:
/* Allocate and read id index table */
msblk->id_table = squashfs_read_id_index_table(sb,
le64_to_cpu(sblk->id_table_start), le16_to_cpu(sblk->no_ids));
@@ -224,9 +242,27 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
+ /* Handle inode lookup table */
+ lookup_table_start = le64_to_cpu(sblk->lookup_table_start);
+ if (lookup_table_start == SQUASHFS_INVALID_BLK)
+ goto handle_fragments;
+
+ /* Allocate and read inode lookup table */
+ msblk->inode_lookup_table = squashfs_read_inode_lookup_table(sb,
+ lookup_table_start, msblk->inodes);
+ if (IS_ERR(msblk->inode_lookup_table)) {
+ ERROR("unable to read inode lookup table\n");
+ err = PTR_ERR(msblk->inode_lookup_table);
+ msblk->inode_lookup_table = NULL;
+ goto failed_mount;
+ }
+
+ sb->s_export_op = &squashfs_export_ops;
+
+handle_fragments:
fragments = le32_to_cpu(sblk->fragments);
if (fragments == 0)
- goto allocate_lookup_table;
+ goto allocate_root;
msblk->fragment_cache = squashfs_cache_init("fragment",
SQUASHFS_CACHED_FRAGMENTS, msblk->block_size);
@@ -245,39 +281,6 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
-allocate_lookup_table:
- lookup_table_start = le64_to_cpu(sblk->lookup_table_start);
- if (lookup_table_start == SQUASHFS_INVALID_BLK)
- goto allocate_xattr_table;
-
- /* Allocate and read inode lookup table */
- msblk->inode_lookup_table = squashfs_read_inode_lookup_table(sb,
- lookup_table_start, msblk->inodes);
- if (IS_ERR(msblk->inode_lookup_table)) {
- ERROR("unable to read inode lookup table\n");
- err = PTR_ERR(msblk->inode_lookup_table);
- msblk->inode_lookup_table = NULL;
- goto failed_mount;
- }
-
- sb->s_export_op = &squashfs_export_ops;
-
-allocate_xattr_table:
- sb->s_xattr = squashfs_xattr_handlers;
- xattr_id_table_start = le64_to_cpu(sblk->xattr_id_table_start);
- if (xattr_id_table_start == SQUASHFS_INVALID_BLK)
- goto allocate_root;
-
- /* Allocate and read xattr id lookup table */
- msblk->xattr_id_table = squashfs_read_xattr_id_table(sb,
- xattr_id_table_start, &msblk->xattr_table, &msblk->xattr_ids);
- if (IS_ERR(msblk->xattr_id_table)) {
- ERROR("unable to read xattr id index table\n");
- err = PTR_ERR(msblk->xattr_id_table);
- msblk->xattr_id_table = NULL;
- if (err != -ENOTSUPP)
- goto failed_mount;
- }
allocate_root:
root = new_inode(sb);
if (!root) {