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Diffstat (limited to 'fs/ufs/inode.c')
-rw-r--r--fs/ufs/inode.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index afb0f32b921c..5b3f1c44d4b0 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -1208,19 +1208,17 @@ static void ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
UFSD("EXIT: ino %lu\n", inode->i_ino);
}
-static void ufs_trunc_tindirect(struct inode *inode)
+static void ufs_trunc_tindirect(struct inode *inode, u64 offset)
{
struct super_block *sb = inode->i_sb;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct ufs_inode_info *ufsi = UFS_I(inode);
struct ufs_buffer_head * tind_bh;
- u64 tindirect_block, tmp, i;
+ u64 tmp;
void *tind, *p;
-
- UFSD("ENTER: ino %lu\n", inode->i_ino);
-
- tindirect_block = (DIRECT_BLOCK > (UFS_NDADDR + uspi->s_apb + uspi->s_2apb))
- ? ((DIRECT_BLOCK - UFS_NDADDR - uspi->s_apb - uspi->s_2apb) >> uspi->s_2apbshift) : 0;
+ bool free_it = !offset;
+ unsigned tindirect_block = offset >> uspi->s_2apbshift;
+ unsigned i;
p = ufs_get_direct_data_ptr(uspi, ufsi, UFS_TIND_BLOCK);
if (!(tmp = ufs_data_ptr_to_cpu(sb, p)))
@@ -1239,11 +1237,7 @@ static void ufs_trunc_tindirect(struct inode *inode)
uspi->s_apb + ((i + 1) << uspi->s_2apbshift), tind);
ubh_mark_buffer_dirty(tind_bh);
}
- for (i = 0; i < uspi->s_apb; i++)
- if (!ufs_is_data_ptr_zero(uspi,
- ubh_get_data_ptr(uspi, tind_bh, i)))
- break;
- if (i >= uspi->s_apb) {
+ if (free_it) {
tmp = ufs_data_ptr_to_cpu(sb, p);
write_seqlock(&ufsi->meta_lock);
ufs_data_ptr_clear(uspi, p);
@@ -1252,13 +1246,11 @@ static void ufs_trunc_tindirect(struct inode *inode)
ubh_bforget(tind_bh);
ufs_free_blocks(inode, tmp, uspi->s_fpb);
mark_inode_dirty(inode);
- tind_bh = NULL;
+ return;
}
- if (IS_SYNC(inode) && tind_bh && ubh_buffer_dirty(tind_bh))
+ if (IS_SYNC(inode) && ubh_buffer_dirty(tind_bh))
ubh_sync_block(tind_bh);
ubh_brelse (tind_bh);
-
- UFSD("EXIT: ino %lu\n", inode->i_ino);
}
static int ufs_alloc_lastblock(struct inode *inode, loff_t size)
@@ -1349,8 +1341,10 @@ static void __ufs_truncate_blocks(struct inode *inode)
case 3:
ufs_trunc_dindirect(inode, UFS_IND_BLOCK + uspi->s_apb,
ufs_get_direct_data_ptr(uspi, ufsi, UFS_DIND_BLOCK));
+ ufs_trunc_tindirect(inode, 0);
+ break;
case 4:
- ufs_trunc_tindirect(inode);
+ ufs_trunc_tindirect(inode, DIRECT_BLOCK - UFS_NDADDR - uspi->s_apb - uspi->s_2apb);
}
ufsi->i_lastfrag = DIRECT_FRAGMENT;
mutex_unlock(&ufsi->truncate_mutex);