diff options
| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-12-12 11:13:17 -0500 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-12-23 12:22:58 +0200 |
| commit | 21a60258976227daaf7a4c35e96c3d77d4988b15 (patch) | |
| tree | 73c9de022a0a947ca4f5e8d8edfdbd8321270464 /fs/ubifs | |
| parent | 24fa9e9438b263600737c839b36543981d87d65b (diff) | |
| download | linux-21a60258976227daaf7a4c35e96c3d77d4988b15.tar.bz2 | |
UBIFS: improve budgeting dump
Dump available space calculated by budgeting subsystem.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/budget.c | 4 | ||||
| -rw-r--r-- | fs/ubifs/debug.c | 13 | ||||
| -rw-r--r-- | fs/ubifs/ubifs.h | 2 |
3 files changed, 16 insertions, 3 deletions
diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c index 1a4973e10664..d5a65037e172 100644 --- a/fs/ubifs/budget.c +++ b/fs/ubifs/budget.c @@ -713,8 +713,8 @@ void ubifs_release_dirty_inode_budget(struct ubifs_info *c, * (e.g., via the 'statfs()' call) reports that it has N bytes available, they * are able to write a file of size N. UBIFS attaches node headers to each data * node and it has to write indexind nodes as well. This introduces additional - * overhead, and UBIFS it has to report sligtly less free space to meet the - * above expectetion. + * overhead, and UBIFS has to report sligtly less free space to meet the above + * expectetions. * * This function assumes free space is made up of uncompressed data nodes and * full index nodes (one per data node, tripled because we always allow enough diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 367d97520d95..6ecb01a99d14 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -597,7 +597,9 @@ void dbg_dump_budg(struct ubifs_info *c) struct rb_node *rb; struct ubifs_bud *bud; struct ubifs_gced_idx_leb *idx_gc; + long long available, outstanding, free; + ubifs_assert(spin_is_locked(&c->space_lock)); spin_lock(&dbg_lock); printk(KERN_DEBUG "(pid %d) Budgeting info: budg_data_growth %lld, " "budg_dd_growth %lld, budg_idx_growth %lld\n", current->pid, @@ -630,6 +632,17 @@ void dbg_dump_budg(struct ubifs_info *c) printk(KERN_DEBUG "\tGC'ed idx LEB %d unmap %d\n", idx_gc->lnum, idx_gc->unmap); printk(KERN_DEBUG "\tcommit state %d\n", c->cmt_state); + + /* Print budgeting predictions */ + available = ubifs_calc_available(c, c->min_idx_lebs); + outstanding = c->budg_data_growth + c->budg_dd_growth; + if (available > outstanding) + free = ubifs_reported_space(c, available - outstanding); + else + free = 0; + printk(KERN_DEBUG "Budgeting predictions:\n"); + printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n", + available, outstanding, free); spin_unlock(&dbg_lock); } diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 055c6b52d2f6..e61c08106b47 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -419,7 +419,7 @@ struct ubifs_unclean_leb { * * LPROPS_UNCAT: not categorized * LPROPS_DIRTY: dirty > 0, not index - * LPROPS_DIRTY_IDX: dirty + free > UBIFS_CH_SZ and index + * LPROPS_DIRTY_IDX: dirty + free > @c->min_idx_node_sze and index * LPROPS_FREE: free > 0, not empty, not index * LPROPS_HEAP_CNT: number of heaps used for storing categorized LEBs * LPROPS_EMPTY: LEB is empty, not taken |