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-rw-r--r--arch/microblaze/include/asm/cacheflush.h34
-rw-r--r--arch/microblaze/include/asm/uaccess.h4
-rw-r--r--drivers/regulator/core.c7
-rw-r--r--drivers/regulator/dbx500-prcmu.c24
-rw-r--r--drivers/regulator/palmas-regulator.c4
-rw-r--r--fs/fuse/dir.c12
-rw-r--r--fs/fuse/file.c58
-rw-r--r--fs/fuse/inode.c7
-rw-r--r--fs/jfs/jfs_logmgr.c8
-rw-r--r--fs/jfs/super.c38
10 files changed, 138 insertions, 58 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 0f553bc009a..ffea82a16d2 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -102,21 +102,23 @@ do { \
#define flush_cache_range(vma, start, len) do { } while (0)
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { \
- u32 addr = virt_to_phys(dst); \
- memcpy((dst), (src), (len)); \
- if (vma->vm_flags & VM_EXEC) { \
- invalidate_icache_range((unsigned) (addr), \
- (unsigned) (addr) + PAGE_SIZE); \
- flush_dcache_range((unsigned) (addr), \
- (unsigned) (addr) + PAGE_SIZE); \
- } \
-} while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-do { \
- memcpy((dst), (src), (len)); \
-} while (0)
+static inline void copy_to_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ u32 addr = virt_to_phys(dst);
+ memcpy(dst, src, len);
+ if (vma->vm_flags & VM_EXEC) {
+ invalidate_icache_range(addr, addr + PAGE_SIZE);
+ flush_dcache_range(addr, addr + PAGE_SIZE);
+ }
+}
+
+static inline void copy_from_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ memcpy(dst, src, len);
+}
#endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index efe59d88178..04e49553bdf 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -99,13 +99,13 @@ static inline int access_ok(int type, const void __user *addr,
if ((get_fs().seg < ((unsigned long)addr)) ||
(get_fs().seg < ((unsigned long)addr + size - 1))) {
pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+ type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 0;
}
ok:
pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+ type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 1;
}
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6e501784158..815d6df8bd5 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1539,7 +1539,10 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
}
/**
- * Balance enable_count of each GPIO and actual GPIO pin control.
+ * regulator_ena_gpio_ctrl - balance enable_count of each GPIO and actual GPIO pin control
+ * @rdev: regulator_dev structure
+ * @enable: enable GPIO at initial use?
+ *
* GPIO is enabled in case of initial use. (enable_count is 0)
* GPIO is disabled when it is not shared any more. (enable_count <= 1)
*/
@@ -2702,7 +2705,7 @@ EXPORT_SYMBOL_GPL(regulator_get_voltage);
/**
* regulator_set_current_limit - set regulator output current limit
* @regulator: regulator source
- * @min_uA: Minimuum supported current in uA
+ * @min_uA: Minimum supported current in uA
* @max_uA: Maximum supported current in uA
*
* Sets current sink to the desired output current. This can be set during
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 89bd2faaef8..ce89f7848a5 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -24,18 +24,6 @@
static int power_state_active_cnt; /* will initialize to zero */
static DEFINE_SPINLOCK(power_state_active_lock);
-int power_state_active_get(void)
-{
- unsigned long flags;
- int cnt;
-
- spin_lock_irqsave(&power_state_active_lock, flags);
- cnt = power_state_active_cnt;
- spin_unlock_irqrestore(&power_state_active_lock, flags);
-
- return cnt;
-}
-
void power_state_active_enable(void)
{
unsigned long flags;
@@ -65,6 +53,18 @@ out:
#ifdef CONFIG_REGULATOR_DEBUG
+static int power_state_active_get(void)
+{
+ unsigned long flags;
+ int cnt;
+
+ spin_lock_irqsave(&power_state_active_lock, flags);
+ cnt = power_state_active_cnt;
+ spin_unlock_irqrestore(&power_state_active_lock, flags);
+
+ return cnt;
+}
+
static struct ux500_regulator_debug {
struct dentry *dir;
struct dentry *status_file;
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 92ceed0fc65..3ae44ac12a9 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -840,7 +840,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
break;
}
- if ((id == PALMAS_REG_SMPS6) && (id == PALMAS_REG_SMPS8))
+ if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
ramp_delay_support = true;
if (ramp_delay_support) {
@@ -878,7 +878,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
pmic->desc[id].vsel_mask = SMPS10_VSEL;
pmic->desc[id].enable_reg =
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
- PALMAS_SMPS10_STATUS);
+ PALMAS_SMPS10_CTRL);
pmic->desc[id].enable_mask = SMPS10_BOOST_EN;
pmic->desc[id].min_uV = 3750000;
pmic->desc[id].uV_step = 1250000;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 254df56b847..f3f783dc4f7 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -180,6 +180,8 @@ u64 fuse_get_attr_version(struct fuse_conn *fc)
static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
{
struct inode *inode;
+ struct dentry *parent;
+ struct fuse_conn *fc;
inode = ACCESS_ONCE(entry->d_inode);
if (inode && is_bad_inode(inode))
@@ -187,10 +189,8 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
else if (fuse_dentry_time(entry) < get_jiffies_64()) {
int err;
struct fuse_entry_out outarg;
- struct fuse_conn *fc;
struct fuse_req *req;
struct fuse_forget_link *forget;
- struct dentry *parent;
u64 attr_version;
/* For negative dentries, always do a fresh lookup */
@@ -241,8 +241,14 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
entry_attr_timeout(&outarg),
attr_version);
fuse_change_entry_timeout(entry, &outarg);
+ } else if (inode) {
+ fc = get_fuse_conn(inode);
+ if (fc->readdirplus_auto) {
+ parent = dget_parent(entry);
+ fuse_advise_use_readdirplus(parent->d_inode);
+ dput(parent);
+ }
}
- fuse_advise_use_readdirplus(inode);
return 1;
}
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d1c9b85b3f5..e570081f9f7 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -16,6 +16,7 @@
#include <linux/compat.h>
#include <linux/swap.h>
#include <linux/aio.h>
+#include <linux/falloc.h>
static const struct file_operations fuse_direct_io_file_operations;
@@ -1278,7 +1279,10 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, const struct iovec *iov,
iov_iter_init(&ii, iov, nr_segs, count, 0);
- req = fuse_get_req(fc, fuse_iter_npages(&ii));
+ if (io->async)
+ req = fuse_get_req_for_background(fc, fuse_iter_npages(&ii));
+ else
+ req = fuse_get_req(fc, fuse_iter_npages(&ii));
if (IS_ERR(req))
return PTR_ERR(req);
@@ -1314,7 +1318,11 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, const struct iovec *iov,
break;
if (count) {
fuse_put_request(fc, req);
- req = fuse_get_req(fc, fuse_iter_npages(&ii));
+ if (io->async)
+ req = fuse_get_req_for_background(fc,
+ fuse_iter_npages(&ii));
+ else
+ req = fuse_get_req(fc, fuse_iter_npages(&ii));
if (IS_ERR(req))
break;
}
@@ -2365,6 +2373,11 @@ static void fuse_do_truncate(struct file *file)
fuse_do_setattr(inode, &attr, file);
}
+static inline loff_t fuse_round_up(loff_t off)
+{
+ return round_up(off, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
+}
+
static ssize_t
fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
loff_t offset, unsigned long nr_segs)
@@ -2372,6 +2385,7 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
ssize_t ret = 0;
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
+ bool async_dio = ff->fc->async_dio;
loff_t pos = 0;
struct inode *inode;
loff_t i_size;
@@ -2383,10 +2397,10 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
i_size = i_size_read(inode);
/* optimization for short read */
- if (rw != WRITE && offset + count > i_size) {
+ if (async_dio && rw != WRITE && offset + count > i_size) {
if (offset >= i_size)
return 0;
- count = i_size - offset;
+ count = min_t(loff_t, count, fuse_round_up(i_size - offset));
}
io = kmalloc(sizeof(struct fuse_io_priv), GFP_KERNEL);
@@ -2404,7 +2418,7 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
* By default, we want to optimize all I/Os with async request
* submission to the client filesystem if supported.
*/
- io->async = ff->fc->async_dio;
+ io->async = async_dio;
io->iocb = iocb;
/*
@@ -2412,7 +2426,7 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
* to wait on real async I/O requests, so we must submit this request
* synchronously.
*/
- if (!is_sync_kiocb(iocb) && (offset + count > i_size))
+ if (!is_sync_kiocb(iocb) && (offset + count > i_size) && rw == WRITE)
io->async = false;
if (rw == WRITE)
@@ -2424,7 +2438,7 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
fuse_aio_complete(io, ret < 0 ? ret : 0, -1);
/* we have a non-extending, async request, so return */
- if (ret > 0 && !is_sync_kiocb(iocb))
+ if (!is_sync_kiocb(iocb))
return -EIOCBQUEUED;
ret = wait_on_sync_kiocb(iocb);
@@ -2446,6 +2460,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
loff_t length)
{
struct fuse_file *ff = file->private_data;
+ struct inode *inode = file->f_inode;
struct fuse_conn *fc = ff->fc;
struct fuse_req *req;
struct fuse_fallocate_in inarg = {
@@ -2459,9 +2474,16 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
if (fc->no_fallocate)
return -EOPNOTSUPP;
+ if (mode & FALLOC_FL_PUNCH_HOLE) {
+ mutex_lock(&inode->i_mutex);
+ fuse_set_nowrite(inode);
+ }
+
req = fuse_get_req_nopages(fc);
- if (IS_ERR(req))
- return PTR_ERR(req);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto out;
+ }
req->in.h.opcode = FUSE_FALLOCATE;
req->in.h.nodeid = ff->nodeid;
@@ -2476,6 +2498,24 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
}
fuse_put_request(fc, req);
+ if (err)
+ goto out;
+
+ /* we could have extended the file */
+ if (!(mode & FALLOC_FL_KEEP_SIZE))
+ fuse_write_update_size(inode, offset + length);
+
+ if (mode & FALLOC_FL_PUNCH_HOLE)
+ truncate_pagecache_range(inode, offset, offset + length - 1);
+
+ fuse_invalidate_attr(inode);
+
+out:
+ if (mode & FALLOC_FL_PUNCH_HOLE) {
+ fuse_release_nowrite(inode);
+ mutex_unlock(&inode->i_mutex);
+ }
+
return err;
}
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 6201f81e4d3..9a0cdde14a0 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -867,10 +867,11 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
fc->dont_mask = 1;
if (arg->flags & FUSE_AUTO_INVAL_DATA)
fc->auto_inval_data = 1;
- if (arg->flags & FUSE_DO_READDIRPLUS)
+ if (arg->flags & FUSE_DO_READDIRPLUS) {
fc->do_readdirplus = 1;
- if (arg->flags & FUSE_READDIRPLUS_AUTO)
- fc->readdirplus_auto = 1;
+ if (arg->flags & FUSE_READDIRPLUS_AUTO)
+ fc->readdirplus_auto = 1;
+ }
if (arg->flags & FUSE_ASYNC_DIO)
fc->async_dio = 1;
} else {
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index c57499dca89..360d27c4888 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2009,7 +2009,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- submit_bio(READ_SYNC, bio);
+ /*check if journaling to disk has been disabled*/
+ if (log->no_integrity) {
+ bio->bi_size = 0;
+ lbmIODone(bio, 0);
+ } else {
+ submit_bio(READ_SYNC, bio);
+ }
wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD));
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 2003e830ed1..788e0a9c1fb 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -611,11 +611,28 @@ static int jfs_freeze(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
+ int rc = 0;
if (!(sb->s_flags & MS_RDONLY)) {
txQuiesce(sb);
- lmLogShutdown(log);
- updateSuper(sb, FM_CLEAN);
+ rc = lmLogShutdown(log);
+ if (rc) {
+ jfs_error(sb, "jfs_freeze: lmLogShutdown failed");
+
+ /* let operations fail rather than hang */
+ txResume(sb);
+
+ return rc;
+ }
+ rc = updateSuper(sb, FM_CLEAN);
+ if (rc) {
+ jfs_err("jfs_freeze: updateSuper failed\n");
+ /*
+ * Don't fail here. Everything succeeded except
+ * marking the superblock clean, so there's really
+ * no harm in leaving it frozen for now.
+ */
+ }
}
return 0;
}
@@ -627,13 +644,18 @@ static int jfs_unfreeze(struct super_block *sb)
int rc = 0;
if (!(sb->s_flags & MS_RDONLY)) {
- updateSuper(sb, FM_MOUNT);
- if ((rc = lmLogInit(log)))
- jfs_err("jfs_unlock failed with return code %d", rc);
- else
- txResume(sb);
+ rc = updateSuper(sb, FM_MOUNT);
+ if (rc) {
+ jfs_error(sb, "jfs_unfreeze: updateSuper failed");
+ goto out;
+ }
+ rc = lmLogInit(log);
+ if (rc)
+ jfs_error(sb, "jfs_unfreeze: lmLogInit failed");
+out:
+ txResume(sb);
}
- return 0;
+ return rc;
}
static struct dentry *jfs_do_mount(struct file_system_type *fs_type,