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-rw-r--r--fs/nilfs2/btree.c47
-rw-r--r--fs/nilfs2/file.c12
-rw-r--r--fs/nilfs2/inode.c21
-rw-r--r--fs/nilfs2/ioctl.c3
-rw-r--r--fs/nilfs2/namei.c9
-rw-r--r--fs/nilfs2/nilfs.h14
-rw-r--r--fs/nilfs2/page.c2
-rw-r--r--fs/nilfs2/segment.c66
-rw-r--r--fs/nilfs2/segment.h5
9 files changed, 141 insertions, 38 deletions
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index b2e3ff3..090d8ce 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -31,6 +31,8 @@
#include "alloc.h"
#include "dat.h"
+static void __nilfs_btree_init(struct nilfs_bmap *bmap);
+
static struct nilfs_btree_path *nilfs_btree_alloc_path(void)
{
struct nilfs_btree_path *path;
@@ -368,6 +370,34 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
return ret;
}
+/**
+ * nilfs_btree_root_broken - verify consistency of btree root node
+ * @node: btree root node to be examined
+ * @ino: inode number
+ *
+ * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned.
+ */
+static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
+ unsigned long ino)
+{
+ int level, flags, nchildren;
+ int ret = 0;
+
+ level = nilfs_btree_node_get_level(node);
+ flags = nilfs_btree_node_get_flags(node);
+ nchildren = nilfs_btree_node_get_nchildren(node);
+
+ if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN ||
+ level >= NILFS_BTREE_LEVEL_MAX ||
+ nchildren < 0 ||
+ nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) {
+ pr_crit("NILFS: bad btree root (inode number=%lu): level = %d, flags = 0x%x, nchildren = %d\n",
+ ino, level, flags, nchildren);
+ ret = 1;
+ }
+ return ret;
+}
+
int nilfs_btree_broken_node_block(struct buffer_head *bh)
{
int ret;
@@ -1713,7 +1743,7 @@ nilfs_btree_commit_convert_and_insert(struct nilfs_bmap *btree,
/* convert and insert */
dat = NILFS_BMAP_USE_VBN(btree) ? nilfs_bmap_get_dat(btree) : NULL;
- nilfs_btree_init(btree);
+ __nilfs_btree_init(btree);
if (nreq != NULL) {
nilfs_bmap_commit_alloc_ptr(btree, dreq, dat);
nilfs_bmap_commit_alloc_ptr(btree, nreq, dat);
@@ -2294,12 +2324,23 @@ static const struct nilfs_bmap_operations nilfs_btree_ops_gc = {
.bop_gather_data = NULL,
};
-int nilfs_btree_init(struct nilfs_bmap *bmap)
+static void __nilfs_btree_init(struct nilfs_bmap *bmap)
{
bmap->b_ops = &nilfs_btree_ops;
bmap->b_nchildren_per_block =
NILFS_BTREE_NODE_NCHILDREN_MAX(nilfs_btree_node_size(bmap));
- return 0;
+}
+
+int nilfs_btree_init(struct nilfs_bmap *bmap)
+{
+ int ret = 0;
+
+ __nilfs_btree_init(bmap);
+
+ if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap),
+ bmap->b_inode->i_ino))
+ ret = -EIO;
+ return ret;
}
void nilfs_btree_init_gc(struct nilfs_bmap *bmap)
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index d7eeca6..2660152 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -27,7 +27,7 @@
#include "nilfs.h"
#include "segment.h"
-int nilfs_sync_file(struct file *file, int datasync)
+int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
/*
* Called from fsync() system call
@@ -40,8 +40,15 @@ int nilfs_sync_file(struct file *file, int datasync)
struct inode *inode = file->f_mapping->host;
int err;
- if (!nilfs_inode_dirty(inode))
+ err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (err)
+ return err;
+ mutex_lock(&inode->i_mutex);
+
+ if (!nilfs_inode_dirty(inode)) {
+ mutex_unlock(&inode->i_mutex);
return 0;
+ }
if (datasync)
err = nilfs_construct_dsync_segment(inode->i_sb, inode, 0,
@@ -49,6 +56,7 @@ int nilfs_sync_file(struct file *file, int datasync)
else
err = nilfs_construct_segment(inode->i_sb);
+ mutex_unlock(&inode->i_mutex);
return err;
}
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 373cd7b..b2d8a96 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -24,6 +24,7 @@
#include <linux/buffer_head.h>
#include <linux/gfp.h>
#include <linux/mpage.h>
+#include <linux/pagemap.h>
#include <linux/writeback.h>
#include <linux/uio.h>
#include "nilfs.h"
@@ -195,10 +196,10 @@ static int nilfs_writepage(struct page *page, struct writeback_control *wbc)
static int nilfs_set_page_dirty(struct page *page)
{
+ struct inode *inode = page->mapping->host;
int ret = __set_page_dirty_nobuffers(page);
if (page_has_buffers(page)) {
- struct inode *inode = page->mapping->host;
unsigned nr_dirty = 0;
struct buffer_head *bh, *head;
@@ -221,6 +222,10 @@ static int nilfs_set_page_dirty(struct page *page)
if (nr_dirty)
nilfs_set_file_dirty(inode, nr_dirty);
+ } else if (ret) {
+ unsigned nr_dirty = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+
+ nilfs_set_file_dirty(inode, nr_dirty);
}
return ret;
}
@@ -278,8 +283,8 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
return 0;
/* Needs synchronization with the cleaner */
- size = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, nilfs_get_block, NULL);
+ size = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
+ nilfs_get_block);
/*
* In case of error extending write may have instantiated a few
@@ -373,7 +378,7 @@ struct inode *nilfs_new_inode(struct inode *dir, int mode)
failed_acl:
failed_bmap:
- inode->i_nlink = 0;
+ clear_nlink(inode);
iput(inode); /* raw_inode will be deleted through
generic_delete_inode() */
goto failed;
@@ -415,7 +420,7 @@ int nilfs_read_inode_common(struct inode *inode,
inode->i_mode = le16_to_cpu(raw_inode->i_mode);
inode->i_uid = (uid_t)le32_to_cpu(raw_inode->i_uid);
inode->i_gid = (gid_t)le32_to_cpu(raw_inode->i_gid);
- inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
inode->i_size = le64_to_cpu(raw_inode->i_size);
inode->i_atime.tv_sec = le64_to_cpu(raw_inode->i_mtime);
inode->i_ctime.tv_sec = le64_to_cpu(raw_inode->i_ctime);
@@ -797,6 +802,8 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
if ((iattr->ia_valid & ATTR_SIZE) &&
iattr->ia_size != i_size_read(inode)) {
+ inode_dio_wait(inode);
+
err = vmtruncate(inode, iattr->ia_size);
if (unlikely(err))
goto out_err;
@@ -818,14 +825,14 @@ out_err:
return err;
}
-int nilfs_permission(struct inode *inode, int mask, unsigned int flags)
+int nilfs_permission(struct inode *inode, int mask)
{
struct nilfs_root *root = NILFS_I(inode)->i_root;
if ((mask & MAY_WRITE) && root &&
root->cno != NILFS_CPTREE_CURRENT_CNO)
return -EROFS; /* snapshot is not writable */
- return generic_permission(inode, mask, flags, NULL);
+ return generic_permission(inode, mask);
}
int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh)
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index cee648e..2b5e695 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -625,6 +625,9 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
goto out_free;
+ if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
+ goto out_free;
+
len = argv[n].v_size * argv[n].v_nmembs;
base = (void __user *)(unsigned long)argv[n].v_base;
if (len == 0) {
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 546849b..768982d 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -72,12 +72,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
return ERR_PTR(-ENAMETOOLONG);
ino = nilfs_inode_by_name(dir, &dentry->d_name);
- inode = NULL;
- if (ino) {
- inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
- }
+ inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL;
return d_splice_alias(inode, dentry);
}
@@ -294,7 +289,7 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry)
nilfs_warning(inode->i_sb, __func__,
"deleting nonexistent file (%lu), %d\n",
inode->i_ino, inode->i_nlink);
- inode->i_nlink = 1;
+ set_nlink(inode, 1);
}
err = nilfs_delete_entry(de, page);
if (err)
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index f02b9ad..7a2e7b8 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -128,7 +128,6 @@ enum {
* @ti_save: Backup of journal_info field of task_struct
* @ti_flags: Flags
* @ti_count: Nest level
- * @ti_garbage: List of inode to be put when releasing semaphore
*/
struct nilfs_transaction_info {
u32 ti_magic;
@@ -137,7 +136,6 @@ struct nilfs_transaction_info {
one of other filesystems has a bug. */
unsigned short ti_flags;
unsigned short ti_count;
- struct list_head ti_garbage;
};
/* ti_magic */
@@ -235,7 +233,7 @@ extern void nilfs_set_link(struct inode *, struct nilfs_dir_entry *,
struct page *, struct inode *);
/* file.c */
-extern int nilfs_sync_file(struct file *, int);
+extern int nilfs_sync_file(struct file *, loff_t, loff_t, int);
/* ioctl.c */
long nilfs_ioctl(struct file *, unsigned int, unsigned long);
@@ -264,7 +262,7 @@ extern void nilfs_update_inode(struct inode *, struct buffer_head *);
extern void nilfs_truncate(struct inode *);
extern void nilfs_evict_inode(struct inode *);
extern int nilfs_setattr(struct dentry *, struct iattr *);
-int nilfs_permission(struct inode *inode, int mask, unsigned int flags);
+int nilfs_permission(struct inode *inode, int mask);
int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh);
extern int nilfs_inode_dirty(struct inode *);
int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty);
@@ -276,10 +274,10 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
/* super.c */
extern struct inode *nilfs_alloc_inode(struct super_block *);
extern void nilfs_destroy_inode(struct inode *);
-extern void nilfs_error(struct super_block *, const char *, const char *, ...)
- __attribute__ ((format (printf, 3, 4)));
-extern void nilfs_warning(struct super_block *, const char *, const char *, ...)
- __attribute__ ((format (printf, 3, 4)));
+extern __printf(3, 4)
+void nilfs_error(struct super_block *, const char *, const char *, ...);
+extern __printf(3, 4)
+void nilfs_warning(struct super_block *, const char *, const char *, ...);
extern struct nilfs_super_block *
nilfs_read_super_block(struct super_block *, u64, int, struct buffer_head **);
extern int nilfs_store_magic_and_option(struct super_block *,
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 65221a0..16eacec 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -94,6 +94,7 @@ void nilfs_forget_buffer(struct buffer_head *bh)
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
clear_buffer_nilfs_redirected(bh);
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
if (nilfs_page_buffers_clean(page))
__nilfs_clear_page_dirty(page);
@@ -390,6 +391,7 @@ void nilfs_clear_dirty_pages(struct address_space *mapping)
bh = head = page_buffers(page);
do {
lock_buffer(bh);
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 6f24e67..6bba106 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -302,7 +302,6 @@ static void nilfs_transaction_lock(struct super_block *sb,
ti->ti_count = 0;
ti->ti_save = cur_ti;
ti->ti_magic = NILFS_TI_MAGIC;
- INIT_LIST_HEAD(&ti->ti_garbage);
current->journal_info = ti;
for (;;) {
@@ -329,8 +328,6 @@ static void nilfs_transaction_unlock(struct super_block *sb)
up_write(&nilfs->ns_segctor_sem);
current->journal_info = ti->ti_save;
- if (!list_empty(&ti->ti_garbage))
- nilfs_dispose_list(nilfs, &ti->ti_garbage, 0);
}
static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci,
@@ -662,7 +659,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
bh = head = page_buffers(page);
do {
- if (!buffer_dirty(bh))
+ if (!buffer_dirty(bh) || buffer_async_write(bh))
continue;
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers, listp);
@@ -696,7 +693,8 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode,
for (i = 0; i < pagevec_count(&pvec); i++) {
bh = head = page_buffers(pvec.pages[i]);
do {
- if (buffer_dirty(bh)) {
+ if (buffer_dirty(bh) &&
+ !buffer_async_write(bh)) {
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers,
listp);
@@ -742,6 +740,15 @@ static void nilfs_dispose_list(struct the_nilfs *nilfs,
}
}
+static void nilfs_iput_work_func(struct work_struct *work)
+{
+ struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info,
+ sc_iput_work);
+ struct the_nilfs *nilfs = sci->sc_super->s_fs_info;
+
+ nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0);
+}
+
static int nilfs_test_metadata_dirty(struct the_nilfs *nilfs,
struct nilfs_root *root)
{
@@ -1436,17 +1443,19 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci,
nilfs_clear_logs(&sci->sc_segbufs);
- err = nilfs_segctor_extend_segments(sci, nilfs, nadd);
- if (unlikely(err))
- return err;
-
if (sci->sc_stage.flags & NILFS_CF_SUFREED) {
err = nilfs_sufile_cancel_freev(nilfs->ns_sufile,
sci->sc_freesegs,
sci->sc_nfreesegs,
NULL);
WARN_ON(err); /* do not happen */
+ sci->sc_stage.flags &= ~NILFS_CF_SUFREED;
}
+
+ err = nilfs_segctor_extend_segments(sci, nilfs, nadd);
+ if (unlikely(err))
+ return err;
+
nadd = min_t(int, nadd << 1, SC_MAX_SEGDELTA);
sci->sc_stage = prev_stage;
}
@@ -1576,6 +1585,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page) {
lock_page(bd_page);
@@ -1589,6 +1599,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
lock_page(bd_page);
@@ -1674,6 +1685,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
list_for_each_entry(segbuf, logs, sb_list) {
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
@@ -1683,6 +1695,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
end_page_writeback(bd_page);
@@ -1752,6 +1765,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
@@ -1773,6 +1787,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
clear_buffer_delay(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_redirected(bh);
@@ -1887,8 +1902,9 @@ static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci,
static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
struct the_nilfs *nilfs)
{
- struct nilfs_transaction_info *ti = current->journal_info;
struct nilfs_inode_info *ii, *n;
+ int during_mount = !(sci->sc_super->s_flags & MS_ACTIVE);
+ int defer_iput = false;
spin_lock(&nilfs->ns_inode_lock);
list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) {
@@ -1899,9 +1915,24 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
clear_bit(NILFS_I_BUSY, &ii->i_state);
brelse(ii->i_bh);
ii->i_bh = NULL;
- list_move_tail(&ii->i_dirty, &ti->ti_garbage);
+ list_del_init(&ii->i_dirty);
+ if (!ii->vfs_inode.i_nlink || during_mount) {
+ /*
+ * Defer calling iput() to avoid deadlocks if
+ * i_nlink == 0 or mount is not yet finished.
+ */
+ list_add_tail(&ii->i_dirty, &sci->sc_iput_queue);
+ defer_iput = true;
+ } else {
+ spin_unlock(&nilfs->ns_inode_lock);
+ iput(&ii->vfs_inode);
+ spin_lock(&nilfs->ns_inode_lock);
+ }
}
spin_unlock(&nilfs->ns_inode_lock);
+
+ if (defer_iput)
+ schedule_work(&sci->sc_iput_work);
}
/*
@@ -2568,6 +2599,8 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct super_block *sb,
INIT_LIST_HEAD(&sci->sc_segbufs);
INIT_LIST_HEAD(&sci->sc_write_logs);
INIT_LIST_HEAD(&sci->sc_gc_inodes);
+ INIT_LIST_HEAD(&sci->sc_iput_queue);
+ INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func);
init_timer(&sci->sc_timer);
sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT;
@@ -2594,6 +2627,8 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info *sci)
ret = nilfs_segctor_construct(sci, SC_LSEG_SR);
nilfs_transaction_unlock(sci->sc_super);
+ flush_work(&sci->sc_iput_work);
+
} while (ret && retrycount-- > 0);
}
@@ -2618,6 +2653,9 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
|| sci->sc_seq_request != sci->sc_seq_done);
spin_unlock(&sci->sc_state_lock);
+ if (flush_work(&sci->sc_iput_work))
+ flag = true;
+
if (flag || !nilfs_segctor_confirm(sci))
nilfs_segctor_write_out(sci);
@@ -2627,6 +2665,12 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1);
}
+ if (!list_empty(&sci->sc_iput_queue)) {
+ nilfs_warning(sci->sc_super, __func__,
+ "iput queue is not empty\n");
+ nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1);
+ }
+
WARN_ON(!list_empty(&sci->sc_segbufs));
WARN_ON(!list_empty(&sci->sc_write_logs));
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 38a1d00..a48d6de 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -26,6 +26,7 @@
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/buffer_head.h>
+#include <linux/workqueue.h>
#include <linux/nilfs2_fs.h>
#include "nilfs.h"
@@ -92,6 +93,8 @@ struct nilfs_segsum_pointer {
* @sc_nblk_inc: Block count of current generation
* @sc_dirty_files: List of files to be written
* @sc_gc_inodes: List of GC inodes having blocks to be written
+ * @sc_iput_queue: list of inodes for which iput should be done
+ * @sc_iput_work: work struct to defer iput call
* @sc_freesegs: array of segment numbers to be freed
* @sc_nfreesegs: number of segments on @sc_freesegs
* @sc_dsync_inode: inode whose data pages are written for a sync operation
@@ -135,6 +138,8 @@ struct nilfs_sc_info {
struct list_head sc_dirty_files;
struct list_head sc_gc_inodes;
+ struct list_head sc_iput_queue;
+ struct work_struct sc_iput_work;
__u64 *sc_freesegs;
size_t sc_nfreesegs;
generated by cgit v1.1 at 2024-04-29 06:31:47 +0000