diff options
| -rw-r--r-- | fs/ufs/inode.c | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 39de7782b7c5..c06556558c9b 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -1070,6 +1070,60 @@ next1: UFSD("EXIT: ino %lu\n", inode->i_ino); } +static void free_full_branch(struct inode *inode, int depth, void *p) +{ + 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 *ubh; + u64 tmp; + unsigned i; + + tmp = ufs_data_ptr_to_cpu(sb, p); + if (!tmp) + return; + ubh = ubh_bread (sb, tmp, uspi->s_bsize); + if (!ubh) { + write_seqlock(&ufsi->meta_lock); + ufs_data_ptr_clear(uspi, p); + write_sequnlock(&ufsi->meta_lock); + return; + } + + if (--depth) { + for (i = 0 ; i < uspi->s_apb ; i++) { + void *ind = ubh_get_data_ptr(uspi, ubh, i); + free_full_branch(inode, depth, ind); + ubh_mark_buffer_dirty(ubh); + } + } else { + struct to_free ctx = {.inode = inode}; + + for (i = 0; i < uspi->s_apb; i++) { + void *ind = ubh_get_data_ptr(uspi, ubh, i); + tmp = ufs_data_ptr_to_cpu(sb, ind); + if (!tmp) + continue; + + write_seqlock(&UFS_I(inode)->meta_lock); + ufs_data_ptr_clear(uspi, ind); + write_sequnlock(&UFS_I(inode)->meta_lock); + ubh_mark_buffer_dirty(ubh); + free_data(&ctx, tmp, uspi->s_fpb); + mark_inode_dirty(inode); + } + free_data(&ctx, 0, 0); + } + tmp = ufs_data_ptr_to_cpu(sb, p); + write_seqlock(&ufsi->meta_lock); + ufs_data_ptr_clear(uspi, p); + write_sequnlock(&ufsi->meta_lock); + + ubh_bforget(ubh); + ufs_free_blocks(inode, tmp, uspi->s_fpb); + mark_inode_dirty(inode); +} + static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, int depth, void *p) { struct super_block *sb = inode->i_sb; @@ -1077,8 +1131,7 @@ static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, struct ufs_inode_info *ufsi = UFS_I(inode); struct ufs_buffer_head *ubh; u64 tmp; - bool free_it = !offsets; - unsigned from = offsets ? *offsets++ : 0; + unsigned from = *offsets++; unsigned i; tmp = ufs_data_ptr_to_cpu(sb, p); @@ -1093,14 +1146,14 @@ static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, } if (--depth) { - if (offsets && --depth2) { + if (--depth2) { void *ind = ubh_get_data_ptr(uspi, ubh, from++); ufs_trunc_branch(inode, offsets, depth2, depth, ind); ubh_mark_buffer_dirty(ubh); } for (i = from ; i < uspi->s_apb ; i++) { void *ind = ubh_get_data_ptr(uspi, ubh, i); - ufs_trunc_branch(inode, NULL, 0, depth, ind); + free_full_branch(inode, depth, ind); ubh_mark_buffer_dirty(ubh); } } else { @@ -1121,17 +1174,6 @@ static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, } free_data(&ctx, 0, 0); } - if (free_it) { - tmp = ufs_data_ptr_to_cpu(sb, p); - write_seqlock(&ufsi->meta_lock); - ufs_data_ptr_clear(uspi, p); - write_sequnlock(&ufsi->meta_lock); - - ubh_bforget(ubh); - ufs_free_blocks(inode, tmp, uspi->s_fpb); - mark_inode_dirty(inode); - return; - } if (IS_SYNC(inode) && ubh_buffer_dirty(ubh)) ubh_sync_block(ubh); ubh_brelse(ubh); @@ -1235,7 +1277,7 @@ static void __ufs_truncate_blocks(struct inode *inode) ufs_get_direct_data_ptr(uspi, ufsi, offsets[0]++)); } for (i = offsets[0]; i <= UFS_TIND_BLOCK; i++) { - ufs_trunc_branch(inode, NULL, 0, i - UFS_IND_BLOCK + 1, + free_full_branch(inode, i - UFS_IND_BLOCK + 1, ufs_get_direct_data_ptr(uspi, ufsi, i)); } ufsi->i_lastfrag = DIRECT_FRAGMENT; |