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fs/adfs: dir: add common dir object initialisation

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Initialise the dir object before we pass it down to the directory format
specific read handler.  This allows us to get rid of the initialisation
inside those handlers.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Russell King 2019-12-09 11:09:15 +00:00 committed by Al Viro
parent 71b2612776
commit 95fbadbb55
3 changed files with 13 additions and 12 deletions
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16
fs/adfs/dir.c
View File

@ -13,6 +13,16 @@
*/
static DEFINE_RWLOCK(adfs_dir_lock);
static int adfs_dir_read(struct super_block *sb, u32 indaddr,
unsigned int size, struct adfs_dir *dir)
{
dir->sb = sb;
dir->bhs = dir->bh;
dir->nr_buffers = 0;
return ADFS_SB(sb)->s_dir->read(sb, indaddr, size, dir);
}
void adfs_object_fixup(struct adfs_dir *dir, struct object_info *obj)
{
unsigned int dots, i;
@ -64,7 +74,7 @@ adfs_readdir(struct file *file, struct dir_context *ctx)
if (ctx->pos >> 32)
return 0;
ret = ops->read(sb, inode->i_ino, inode->i_size, &dir);
ret = adfs_dir_read(sb, inode->i_ino, inode->i_size, &dir);
if (ret)
return ret;
@ -115,7 +125,7 @@ adfs_dir_update(struct super_block *sb, struct object_info *obj, int wait)
goto out;
}
ret = ops->read(sb, obj->parent_id, 0, &dir);
ret = adfs_dir_read(sb, obj->parent_id, 0, &dir);
if (ret)
goto out;
@ -167,7 +177,7 @@ static int adfs_dir_lookup_byname(struct inode *inode, const struct qstr *qstr,
u32 name_len;
int ret;
ret = ops->read(sb, inode->i_ino, inode->i_size, &dir);
ret = adfs_dir_read(sb, inode->i_ino, inode->i_size, &dir);
if (ret)
goto out;

3
fs/adfs/dir_f.c
View File

@ -139,9 +139,6 @@ static int adfs_dir_read(struct super_block *sb, u32 indaddr,
size >>= blocksize_bits;
dir->nr_buffers = 0;
dir->sb = sb;
for (blk = 0; blk < size; blk++) {
int phys;

6
fs/adfs/dir_fplus.c
View File

@ -17,11 +17,6 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct
unsigned int blk, size;
int i, ret = -EIO;
dir->nr_buffers = 0;
/* start off using fixed bh set - only alloc for big dirs */
dir->bhs = &dir->bh[0];
block = __adfs_block_map(sb, id, 0);
if (!block) {
adfs_error(sb, "dir object %X has a hole at offset 0", id);
@ -94,7 +89,6 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct
}
dir->parent_id = le32_to_cpu(h->bigdirparent);
dir->sb = sb;
return 0;
out: