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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 18:54:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 18:54:28 -0800
commit818099574b04c5301eacbbcd441022b353a65466 (patch)
tree77b3645b375105cb0389df2b4ea5ffa90329f7f8 /fs
parent802ea9d8645d33d24b7b4cd4537c14f3e698bde0 (diff)
parent6016daed58ee482a2f7684e93342e89139cf4419 (diff)
downloadlinux-818099574b04c5301eacbbcd441022b353a65466.tar.bz2
Merge branch 'akpm' (patches from Andrew)
Merge third set of updates from Andrew Morton: - the rest of MM [ This includes getting rid of the numa hinting bits, in favor of just generic protnone logic. Yay. - Linus ] - core kernel - procfs - some of lib/ (lots of lib/ material this time) * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (104 commits) lib/lcm.c: replace include lib/percpu_ida.c: remove redundant includes lib/strncpy_from_user.c: replace module.h include lib/stmp_device.c: replace module.h include lib/sort.c: move include inside #if 0 lib/show_mem.c: remove redundant include lib/radix-tree.c: change to simpler include lib/plist.c: remove redundant include lib/nlattr.c: remove redundant include lib/kobject_uevent.c: remove redundant include lib/llist.c: remove redundant include lib/md5.c: simplify include lib/list_sort.c: rearrange includes lib/genalloc.c: remove redundant include lib/idr.c: remove redundant include lib/halfmd4.c: simplify includes lib/dynamic_queue_limits.c: simplify includes lib/sort.c: use simpler includes lib/interval_tree.c: simplify includes hexdump: make it return number of bytes placed in buffer ...
Diffstat (limited to 'fs')
-rw-r--r--fs/dcache.c35
-rw-r--r--fs/drop_caches.c14
-rw-r--r--fs/gfs2/quota.c11
-rw-r--r--fs/inode.c15
-rw-r--r--fs/internal.h7
-rw-r--r--fs/proc/array.c34
-rw-r--r--fs/proc/generic.c2
-rw-r--r--fs/proc/inode.c2
-rw-r--r--fs/proc/task_mmu.c16
-rw-r--r--fs/select.c2
-rw-r--r--fs/super.c47
-rw-r--r--fs/xfs/xfs_buf.c13
-rw-r--r--fs/xfs/xfs_qm.c12
-rw-r--r--fs/xfs/xfs_super.c7
14 files changed, 103 insertions, 114 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index e368d4f412f9..d04be762b216 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -400,19 +400,20 @@ static void d_shrink_add(struct dentry *dentry, struct list_head *list)
* LRU lists entirely, while shrink_move moves it to the indicated
* private list.
*/
-static void d_lru_isolate(struct dentry *dentry)
+static void d_lru_isolate(struct list_lru_one *lru, struct dentry *dentry)
{
D_FLAG_VERIFY(dentry, DCACHE_LRU_LIST);
dentry->d_flags &= ~DCACHE_LRU_LIST;
this_cpu_dec(nr_dentry_unused);
- list_del_init(&dentry->d_lru);
+ list_lru_isolate(lru, &dentry->d_lru);
}
-static void d_lru_shrink_move(struct dentry *dentry, struct list_head *list)
+static void d_lru_shrink_move(struct list_lru_one *lru, struct dentry *dentry,
+ struct list_head *list)
{
D_FLAG_VERIFY(dentry, DCACHE_LRU_LIST);
dentry->d_flags |= DCACHE_SHRINK_LIST;
- list_move_tail(&dentry->d_lru, list);
+ list_lru_isolate_move(lru, &dentry->d_lru, list);
}
/*
@@ -869,8 +870,8 @@ static void shrink_dentry_list(struct list_head *list)
}
}
-static enum lru_status
-dentry_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
+static enum lru_status dentry_lru_isolate(struct list_head *item,
+ struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
{
struct list_head *freeable = arg;
struct dentry *dentry = container_of(item, struct dentry, d_lru);
@@ -890,7 +891,7 @@ dentry_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
* another pass through the LRU.
*/
if (dentry->d_lockref.count) {
- d_lru_isolate(dentry);
+ d_lru_isolate(lru, dentry);
spin_unlock(&dentry->d_lock);
return LRU_REMOVED;
}
@@ -921,7 +922,7 @@ dentry_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
return LRU_ROTATE;
}
- d_lru_shrink_move(dentry, freeable);
+ d_lru_shrink_move(lru, dentry, freeable);
spin_unlock(&dentry->d_lock);
return LRU_REMOVED;
@@ -930,30 +931,28 @@ dentry_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
/**
* prune_dcache_sb - shrink the dcache
* @sb: superblock
- * @nr_to_scan : number of entries to try to free
- * @nid: which node to scan for freeable entities
+ * @sc: shrink control, passed to list_lru_shrink_walk()
*
- * Attempt to shrink the superblock dcache LRU by @nr_to_scan entries. This is
- * done when we need more memory an called from the superblock shrinker
+ * Attempt to shrink the superblock dcache LRU by @sc->nr_to_scan entries. This
+ * is done when we need more memory and called from the superblock shrinker
* function.
*
* This function may fail to free any resources if all the dentries are in
* use.
*/
-long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
- int nid)
+long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc)
{
LIST_HEAD(dispose);
long freed;
- freed = list_lru_walk_node(&sb->s_dentry_lru, nid, dentry_lru_isolate,
- &dispose, &nr_to_scan);
+ freed = list_lru_shrink_walk(&sb->s_dentry_lru, sc,
+ dentry_lru_isolate, &dispose);
shrink_dentry_list(&dispose);
return freed;
}
static enum lru_status dentry_lru_isolate_shrink(struct list_head *item,
- spinlock_t *lru_lock, void *arg)
+ struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
{
struct list_head *freeable = arg;
struct dentry *dentry = container_of(item, struct dentry, d_lru);
@@ -966,7 +965,7 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item,
if (!spin_trylock(&dentry->d_lock))
return LRU_SKIP;
- d_lru_shrink_move(dentry, freeable);
+ d_lru_shrink_move(lru, dentry, freeable);
spin_unlock(&dentry->d_lock);
return LRU_REMOVED;
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 2bc2c87f35e7..5718cb9f7273 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -37,20 +37,6 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
iput(toput_inode);
}
-static void drop_slab(void)
-{
- int nr_objects;
-
- do {
- int nid;
-
- nr_objects = 0;
- for_each_online_node(nid)
- nr_objects += shrink_node_slabs(GFP_KERNEL, nid,
- 1000, 1000);
- } while (nr_objects > 10);
-}
-
int drop_caches_sysctl_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *length, loff_t *ppos)
{
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 3e193cb36996..3aa17d4d1cfc 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -145,7 +145,8 @@ static void gfs2_qd_dispose(struct list_head *list)
}
-static enum lru_status gfs2_qd_isolate(struct list_head *item, spinlock_t *lock, void *arg)
+static enum lru_status gfs2_qd_isolate(struct list_head *item,
+ struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
{
struct list_head *dispose = arg;
struct gfs2_quota_data *qd = list_entry(item, struct gfs2_quota_data, qd_lru);
@@ -155,7 +156,7 @@ static enum lru_status gfs2_qd_isolate(struct list_head *item, spinlock_t *lock,
if (qd->qd_lockref.count == 0) {
lockref_mark_dead(&qd->qd_lockref);
- list_move(&qd->qd_lru, dispose);
+ list_lru_isolate_move(lru, &qd->qd_lru, dispose);
}
spin_unlock(&qd->qd_lockref.lock);
@@ -171,8 +172,8 @@ static unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
if (!(sc->gfp_mask & __GFP_FS))
return SHRINK_STOP;
- freed = list_lru_walk_node(&gfs2_qd_lru, sc->nid, gfs2_qd_isolate,
- &dispose, &sc->nr_to_scan);
+ freed = list_lru_shrink_walk(&gfs2_qd_lru, sc,
+ gfs2_qd_isolate, &dispose);
gfs2_qd_dispose(&dispose);
@@ -182,7 +183,7 @@ static unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
static unsigned long gfs2_qd_shrink_count(struct shrinker *shrink,
struct shrink_control *sc)
{
- return vfs_pressure_ratio(list_lru_count_node(&gfs2_qd_lru, sc->nid));
+ return vfs_pressure_ratio(list_lru_shrink_count(&gfs2_qd_lru, sc));
}
struct shrinker gfs2_qd_shrinker = {
diff --git a/fs/inode.c b/fs/inode.c
index b7871577571d..86bfaca724db 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -672,8 +672,8 @@ int invalidate_inodes(struct super_block *sb, bool kill_dirty)
* LRU does not have strict ordering. Hence we don't want to reclaim inodes
* with this flag set because they are the inodes that are out of order.
*/
-static enum lru_status
-inode_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
+static enum lru_status inode_lru_isolate(struct list_head *item,
+ struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
{
struct list_head *freeable = arg;
struct inode *inode = container_of(item, struct inode, i_lru);
@@ -691,7 +691,7 @@ inode_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
*/
if (atomic_read(&inode->i_count) ||
(inode->i_state & ~I_REFERENCED)) {
- list_del_init(&inode->i_lru);
+ list_lru_isolate(lru, &inode->i_lru);
spin_unlock(&inode->i_lock);
this_cpu_dec(nr_unused);
return LRU_REMOVED;
@@ -725,7 +725,7 @@ inode_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
WARN_ON(inode->i_state & I_NEW);
inode->i_state |= I_FREEING;
- list_move(&inode->i_lru, freeable);
+ list_lru_isolate_move(lru, &inode->i_lru, freeable);
spin_unlock(&inode->i_lock);
this_cpu_dec(nr_unused);
@@ -738,14 +738,13 @@ inode_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
* to trim from the LRU. Inodes to be freed are moved to a temporary list and
* then are freed outside inode_lock by dispose_list().
*/
-long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan,
- int nid)
+long prune_icache_sb(struct super_block *sb, struct shrink_control *sc)
{
LIST_HEAD(freeable);
long freed;
- freed = list_lru_walk_node(&sb->s_inode_lru, nid, inode_lru_isolate,
- &freeable, &nr_to_scan);
+ freed = list_lru_shrink_walk(&sb->s_inode_lru, sc,
+ inode_lru_isolate, &freeable);
dispose_list(&freeable);
return freed;
}
diff --git a/fs/internal.h b/fs/internal.h
index e9a61fe67575..d92c346a793d 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -14,6 +14,7 @@ struct file_system_type;
struct linux_binprm;
struct path;
struct mount;
+struct shrink_control;
/*
* block_dev.c
@@ -111,8 +112,7 @@ extern int open_check_o_direct(struct file *f);
* inode.c
*/
extern spinlock_t inode_sb_list_lock;
-extern long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan,
- int nid);
+extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc);
extern void inode_add_lru(struct inode *inode);
/*
@@ -129,8 +129,7 @@ extern int invalidate_inodes(struct super_block *, bool);
*/
extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
extern int d_set_mounted(struct dentry *dentry);
-extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
- int nid);
+extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc);
/*
* read_write.c
diff --git a/fs/proc/array.c b/fs/proc/array.c
index bd117d065b82..a3ccf4c4ce70 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -81,6 +81,7 @@
#include <linux/pid_namespace.h>
#include <linux/ptrace.h>
#include <linux/tracehook.h>
+#include <linux/string_helpers.h>
#include <linux/user_namespace.h>
#include <asm/pgtable.h>
@@ -89,39 +90,18 @@
static inline void task_name(struct seq_file *m, struct task_struct *p)
{
- int i;
- char *buf, *end;
- char *name;
+ char *buf;
char tcomm[sizeof(p->comm)];
get_task_comm(tcomm, p);
seq_puts(m, "Name:\t");
- end = m->buf + m->size;
buf = m->buf + m->count;
- name = tcomm;
- i = sizeof(tcomm);
- while (i && (buf < end)) {
- unsigned char c = *name;
- name++;
- i--;
- *buf = c;
- if (!c)
- break;
- if (c == '\\') {
- buf++;
- if (buf < end)
- *buf++ = c;
- continue;
- }
- if (c == '\n') {
- *buf++ = '\\';
- if (buf < end)
- *buf++ = 'n';
- continue;
- }
- buf++;
- }
+
+ /* Ignore error for now */
+ string_escape_str(tcomm, &buf, m->size - m->count,
+ ESCAPE_SPACE | ESCAPE_SPECIAL, "\n\\");
+
m->count = buf - m->buf;
seq_putc(m, '\n');
}
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 7fea13229f33..de14e46fd807 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -122,7 +122,7 @@ static int proc_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
{
struct inode *inode = dentry->d_inode;
- struct proc_dir_entry *de = PROC_I(inode)->pde;
+ struct proc_dir_entry *de = PDE(inode);
if (de && de->nlink)
set_nlink(inode, de->nlink);
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 8420a2f80811..13a50a32652d 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -40,7 +40,7 @@ static void proc_evict_inode(struct inode *inode)
put_pid(PROC_I(inode)->pid);
/* Let go of any associated proc directory entry */
- de = PROC_I(inode)->pde;
+ de = PDE(inode);
if (de)
pde_put(de);
head = PROC_I(inode)->sysctl;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 0e36c1e49fe3..956b75d61809 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -732,6 +732,7 @@ enum clear_refs_types {
CLEAR_REFS_ANON,
CLEAR_REFS_MAPPED,
CLEAR_REFS_SOFT_DIRTY,
+ CLEAR_REFS_MM_HIWATER_RSS,
CLEAR_REFS_LAST,
};
@@ -907,6 +908,18 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
.mm = mm,
.private = &cp,
};
+
+ if (type == CLEAR_REFS_MM_HIWATER_RSS) {
+ /*
+ * Writing 5 to /proc/pid/clear_refs resets the peak
+ * resident set size to this mm's current rss value.
+ */
+ down_write(&mm->mmap_sem);
+ reset_mm_hiwater_rss(mm);
+ up_write(&mm->mmap_sem);
+ goto out_mm;
+ }
+
down_read(&mm->mmap_sem);
if (type == CLEAR_REFS_SOFT_DIRTY) {
for (vma = mm->mmap; vma; vma = vma->vm_next) {
@@ -928,6 +941,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
mmu_notifier_invalidate_range_end(mm, 0, -1);
flush_tlb_mm(mm);
up_read(&mm->mmap_sem);
+out_mm:
mmput(mm);
}
put_task_struct(task);
@@ -1543,6 +1557,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
for_each_node_state(nid, N_MEMORY)
if (md->node[nid])
seq_printf(m, " N%d=%lu", nid, md->node[nid]);
+
+ seq_printf(m, " kernelpagesize_kB=%lu", vma_kernel_pagesize(vma) >> 10);
out:
seq_putc(m, '\n');
m_cache_vma(m, vma);
diff --git a/fs/select.c b/fs/select.c
index 467bb1cb3ea5..f684c750e08a 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -971,7 +971,7 @@ SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,
if (ret == -EINTR) {
struct restart_block *restart_block;
- restart_block = &current_thread_info()->restart_block;
+ restart_block = &current->restart_block;
restart_block->fn = do_restart_poll;
restart_block->poll.ufds = ufds;
restart_block->poll.nfds = nfds;
diff --git a/fs/super.c b/fs/super.c
index 05a021638b11..1facd2c282e5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -75,10 +75,10 @@ static unsigned long super_cache_scan(struct shrinker *shrink,
return SHRINK_STOP;
if (sb->s_op->nr_cached_objects)
- fs_objects = sb->s_op->nr_cached_objects(sb, sc->nid);
+ fs_objects = sb->s_op->nr_cached_objects(sb, sc);
- inodes = list_lru_count_node(&sb->s_inode_lru, sc->nid);
- dentries = list_lru_count_node(&sb->s_dentry_lru, sc->nid);
+ inodes = list_lru_shrink_count(&sb->s_inode_lru, sc);
+ dentries = list_lru_shrink_count(&sb->s_dentry_lru, sc);
total_objects = dentries + inodes + fs_objects + 1;
if (!total_objects)
total_objects = 1;
@@ -86,19 +86,23 @@ static unsigned long super_cache_scan(struct shrinker *shrink,
/* proportion the scan between the caches */
dentries = mult_frac(sc->nr_to_scan, dentries, total_objects);
inodes = mult_frac(sc->nr_to_scan, inodes, total_objects);
+ fs_objects = mult_frac(sc->nr_to_scan, fs_objects, total_objects);
/*
* prune the dcache first as the icache is pinned by it, then
* prune the icache, followed by the filesystem specific caches
+ *
+ * Ensure that we always scan at least one object - memcg kmem
+ * accounting uses this to fully empty the caches.
*/
- freed = prune_dcache_sb(sb, dentries, sc->nid);
- freed += prune_icache_sb(sb, inodes, sc->nid);
+ sc->nr_to_scan = dentries + 1;
+ freed = prune_dcache_sb(sb, sc);
+ sc->nr_to_scan = inodes + 1;
+ freed += prune_icache_sb(sb, sc);
if (fs_objects) {
- fs_objects = mult_frac(sc->nr_to_scan, fs_objects,
- total_objects);
- freed += sb->s_op->free_cached_objects(sb, fs_objects,
- sc->nid);
+ sc->nr_to_scan = fs_objects + 1;
+ freed += sb->s_op->free_cached_objects(sb, sc);
}
drop_super(sb);
@@ -118,17 +122,14 @@ static unsigned long super_cache_count(struct shrinker *shrink,
* scalability bottleneck. The counts could get updated
* between super_cache_count and super_cache_scan anyway.
* Call to super_cache_count with shrinker_rwsem held
- * ensures the safety of call to list_lru_count_node() and
+ * ensures the safety of call to list_lru_shrink_count() and
* s_op->nr_cached_objects().
*/
if (sb->s_op && sb->s_op->nr_cached_objects)
- total_objects = sb->s_op->nr_cached_objects(sb,
- sc->nid);
+ total_objects = sb->s_op->nr_cached_objects(sb, sc);
- total_objects += list_lru_count_node(&sb->s_dentry_lru,
- sc->nid);
- total_objects += list_lru_count_node(&sb->s_inode_lru,
- sc->nid);
+ total_objects += list_lru_shrink_count(&sb->s_dentry_lru, sc);
+ total_objects += list_lru_shrink_count(&sb->s_inode_lru, sc);
total_objects = vfs_pressure_ratio(total_objects);
return total_objects;
@@ -191,9 +192,9 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
INIT_HLIST_BL_HEAD(&s->s_anon);
INIT_LIST_HEAD(&s->s_inodes);
- if (list_lru_init(&s->s_dentry_lru))
+ if (list_lru_init_memcg(&s->s_dentry_lru))
goto fail;
- if (list_lru_init(&s->s_inode_lru))
+ if (list_lru_init_memcg(&s->s_inode_lru))
goto fail;
init_rwsem(&s->s_umount);
@@ -229,7 +230,7 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
s->s_shrink.scan_objects = super_cache_scan;
s->s_shrink.count_objects = super_cache_count;
s->s_shrink.batch = 1024;
- s->s_shrink.flags = SHRINKER_NUMA_AWARE;
+ s->s_shrink.flags = SHRINKER_NUMA_AWARE | SHRINKER_MEMCG_AWARE;
return s;
fail:
@@ -284,6 +285,14 @@ void deactivate_locked_super(struct super_block *s)
unregister_shrinker(&s->s_shrink);
fs->kill_sb(s);
+ /*
+ * Since list_lru_destroy() may sleep, we cannot call it from
+ * put_super(), where we hold the sb_lock. Therefore we destroy
+ * the lru lists right now.
+ */
+ list_lru_destroy(&s->s_dentry_lru);
+ list_lru_destroy(&s->s_inode_lru);
+
put_filesystem(fs);
put_super(s);
} else {
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index bb502a391792..1790b00bea7a 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1488,6 +1488,7 @@ xfs_buf_iomove(
static enum lru_status
xfs_buftarg_wait_rele(
struct list_head *item,
+ struct list_lru_one *lru,
spinlock_t *lru_lock,
void *arg)
@@ -1509,7 +1510,7 @@ xfs_buftarg_wait_rele(
*/
atomic_set(&bp->b_lru_ref, 0);
bp->b_state |= XFS_BSTATE_DISPOSE;
- list_move(item, dispose);
+ list_lru_isolate_move(lru, item, dispose);
spin_unlock(&bp->b_lock);
return LRU_REMOVED;
}
@@ -1546,6 +1547,7 @@ xfs_wait_buftarg(
static enum lru_status
xfs_buftarg_isolate(
struct list_head *item,
+ struct list_lru_one *lru,
spinlock_t *lru_lock,
void *arg)
{
@@ -1569,7 +1571,7 @@ xfs_buftarg_isolate(
}
bp->b_state |= XFS_BSTATE_DISPOSE;
- list_move(item, dispose);
+ list_lru_isolate_move(lru, item, dispose);
spin_unlock(&bp->b_lock);
return LRU_REMOVED;
}
@@ -1583,10 +1585,9 @@ xfs_buftarg_shrink_scan(
struct xfs_buftarg, bt_shrinker);
LIST_HEAD(dispose);
unsigned long freed;
- unsigned long nr_to_scan = sc->nr_to_scan;
- freed = list_lru_walk_node(&btp->bt_lru, sc->nid, xfs_buftarg_isolate,
- &dispose, &nr_to_scan);
+ freed = list_lru_shrink_walk(&btp->bt_lru, sc,
+ xfs_buftarg_isolate, &dispose);
while (!list_empty(&dispose)) {
struct xfs_buf *bp;
@@ -1605,7 +1606,7 @@ xfs_buftarg_shrink_count(
{
struct xfs_buftarg *btp = container_of(shrink,
struct xfs_buftarg, bt_shrinker);
- return list_lru_count_node(&btp->bt_lru, sc->nid);
+ return list_lru_shrink_count(&btp->bt_lru, sc);
}
void
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 3e8186279541..53cc2aaf8d2b 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -430,6 +430,7 @@ struct xfs_qm_isolate {
static enum lru_status
xfs_qm_dquot_isolate(
struct list_head *item,
+ struct list_lru_one *lru,
spinlock_t *lru_lock,
void *arg)
__releases(lru_lock) __acquires(lru_lock)
@@ -450,7 +451,7 @@ xfs_qm_dquot_isolate(
XFS_STATS_INC(xs_qm_dqwants);
trace_xfs_dqreclaim_want(dqp);
- list_del_init(&dqp->q_lru);
+ list_lru_isolate(lru, &dqp->q_lru);
XFS_STATS_DEC(xs_qm_dquot_unused);
return LRU_REMOVED;
}
@@ -494,7 +495,7 @@ xfs_qm_dquot_isolate(
xfs_dqunlock(dqp);
ASSERT(dqp->q_nrefs == 0);
- list_move_tail(&dqp->q_lru, &isol->dispose);
+ list_lru_isolate_move(lru, &dqp->q_lru, &isol->dispose);
XFS_STATS_DEC(xs_qm_dquot_unused);
trace_xfs_dqreclaim_done(dqp);
XFS_STATS_INC(xs_qm_dqreclaims);
@@ -523,7 +524,6 @@ xfs_qm_shrink_scan(
struct xfs_qm_isolate isol;
unsigned long freed;
int error;
- unsigned long nr_to_scan = sc->nr_to_scan;
if ((sc->gfp_mask & (__GFP_FS|__GFP_WAIT)) != (__GFP_FS|__GFP_WAIT))
return 0;
@@ -531,8 +531,8 @@ xfs_qm_shrink_scan(
INIT_LIST_HEAD(&isol.buffers);
INIT_LIST_HEAD(&isol.dispose);
- freed = list_lru_walk_node(&qi->qi_lru, sc->nid, xfs_qm_dquot_isolate, &isol,
- &nr_to_scan);
+ freed = list_lru_shrink_walk(&qi->qi_lru, sc,
+ xfs_qm_dquot_isolate, &isol);
error = xfs_buf_delwri_submit(&isol.buffers);
if (error)
@@ -557,7 +557,7 @@ xfs_qm_shrink_count(
struct xfs_quotainfo *qi = container_of(shrink,
struct xfs_quotainfo, qi_shrinker);
- return list_lru_count_node(&qi->qi_lru, sc->nid);
+ return list_lru_shrink_count(&qi->qi_lru, sc);
}
/*
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index f2449fd86926..8fcc4ccc5c79 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1537,7 +1537,7 @@ xfs_fs_mount(
static long
xfs_fs_nr_cached_objects(
struct super_block *sb,
- int nid)
+ struct shrink_control *sc)
{
return xfs_reclaim_inodes_count(XFS_M(sb));
}
@@ -1545,10 +1545,9 @@ xfs_fs_nr_cached_objects(
static long
xfs_fs_free_cached_objects(
struct super_block *sb,
- long nr_to_scan,
- int nid)
+ struct shrink_control *sc)
{
- return xfs_reclaim_inodes_nr(XFS_M(sb), nr_to_scan);
+ return xfs_reclaim_inodes_nr(XFS_M(sb), sc->nr_to_scan);
}
static const struct super_operations xfs_super_operations = {