diff options
| -rw-r--r-- | fs/ufs/inode.c | 56 |
1 files changed, 22 insertions, 34 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 480c34ee1805..39de7782b7c5 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -960,6 +960,22 @@ void ufs_evict_inode(struct inode * inode) ufs_free_inode(inode); } +struct to_free { + struct inode *inode; + u64 to; + unsigned count; +}; + +static inline void free_data(struct to_free *ctx, u64 from, unsigned count) +{ + if (ctx->count && ctx->to != from) { + ufs_free_blocks(ctx->inode, ctx->to - ctx->count, ctx->count); + ctx->count = 0; + } + ctx->count += count; + ctx->to = from + count; +} + #define DIRECT_BLOCK ((inode->i_size + uspi->s_bsize - 1) >> uspi->s_bshift) #define DIRECT_FRAGMENT ((inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift) @@ -970,7 +986,7 @@ static void ufs_trunc_direct(struct inode *inode) struct ufs_sb_private_info * uspi; void *p; u64 frag1, frag2, frag3, frag4, block1, block2; - unsigned frag_to_free, free_count; + struct to_free ctx = {.inode = inode}; unsigned i, tmp; UFSD("ENTER: ino %lu\n", inode->i_ino); @@ -978,9 +994,6 @@ static void ufs_trunc_direct(struct inode *inode) sb = inode->i_sb; uspi = UFS_SB(sb)->s_uspi; - frag_to_free = 0; - free_count = 0; - frag1 = DIRECT_FRAGMENT; frag4 = min_t(u64, UFS_NDIR_FRAGMENT, ufsi->i_lastfrag); frag2 = ((frag1 & uspi->s_fpbmask) ? ((frag1 | uspi->s_fpbmask) + 1) : frag1); @@ -1015,7 +1028,6 @@ static void ufs_trunc_direct(struct inode *inode) ufs_free_fragments(inode, tmp + frag1, frag2); mark_inode_dirty(inode); - frag_to_free = tmp + frag1; next1: /* @@ -1030,21 +1042,11 @@ next1: ufs_data_ptr_clear(uspi, p); write_sequnlock(&ufsi->meta_lock); - if (free_count == 0) { - frag_to_free = tmp; - free_count = uspi->s_fpb; - } else if (free_count > 0 && frag_to_free == tmp - free_count) - free_count += uspi->s_fpb; - else { - ufs_free_blocks (inode, frag_to_free, free_count); - frag_to_free = tmp; - free_count = uspi->s_fpb; - } + free_data(&ctx, tmp, uspi->s_fpb); mark_inode_dirty(inode); } - if (free_count > 0) - ufs_free_blocks (inode, frag_to_free, free_count); + free_data(&ctx, 0, 0); if (frag3 >= frag4) goto next3; @@ -1102,8 +1104,7 @@ static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, ubh_mark_buffer_dirty(ubh); } } else { - u64 frag_to_free = 0; - unsigned free_count = 0; + struct to_free ctx = {.inode = inode}; for (i = from; i < uspi->s_apb; i++) { void *ind = ubh_get_data_ptr(uspi, ubh, i); @@ -1115,23 +1116,10 @@ static void ufs_trunc_branch(struct inode *inode, unsigned *offsets, int depth2, ufs_data_ptr_clear(uspi, ind); write_sequnlock(&UFS_I(inode)->meta_lock); ubh_mark_buffer_dirty(ubh); - if (free_count == 0) { - frag_to_free = tmp; - free_count = uspi->s_fpb; - } else if (free_count > 0 && frag_to_free == tmp - free_count) - free_count += uspi->s_fpb; - else { - ufs_free_blocks (inode, frag_to_free, free_count); - frag_to_free = tmp; - free_count = uspi->s_fpb; - } - + free_data(&ctx, tmp, uspi->s_fpb); mark_inode_dirty(inode); } - - if (free_count > 0) { - ufs_free_blocks (inode, frag_to_free, free_count); - } + free_data(&ctx, 0, 0); } if (free_it) { tmp = ufs_data_ptr_to_cpu(sb, p); |