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-rw-r--r--fs/f2fs/data.c9
-rw-r--r--fs/f2fs/f2fs.h8
-rw-r--r--fs/f2fs/file.c77
-rw-r--r--fs/f2fs/inode.c2
-rw-r--r--fs/f2fs/node.c3
-rw-r--r--fs/f2fs/node.h1
-rw-r--r--fs/f2fs/segment.c2
7 files changed, 88 insertions, 14 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 7ec697b37f19..32264e3d524f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -814,6 +814,11 @@ static int f2fs_write_data_page(struct page *page,
write:
if (unlikely(sbi->por_doing))
goto redirty_out;
+ if (f2fs_is_drop_cache(inode))
+ goto out;
+ if (f2fs_is_volatile_file(inode) && !wbc->for_reclaim &&
+ available_free_memory(sbi, BASE_CHECK))
+ goto redirty_out;
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
@@ -1109,7 +1114,7 @@ static void f2fs_invalidate_data_page(struct page *page, unsigned int offset,
if (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE)
return;
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode))
+ if (f2fs_is_atomic_file(inode))
invalidate_inmem_page(inode, page);
if (PageDirty(page))
@@ -1132,7 +1137,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
SetPageUptodate(page);
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) {
+ if (f2fs_is_atomic_file(inode)) {
register_inmem_page(inode, page);
return 1;
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ec58bb2373fc..8c9bf3d6cb7d 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -201,6 +201,8 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size,
#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
#define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
#define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
+#define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
+#define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
/*
@@ -1113,6 +1115,7 @@ enum {
FI_NEED_IPU, /* used for ipu per file */
FI_ATOMIC_FILE, /* indicate atomic file */
FI_VOLATILE_FILE, /* indicate volatile file */
+ FI_DROP_CACHE, /* drop dirty page cache */
FI_DATA_EXIST, /* indicate data exists */
};
@@ -1220,6 +1223,11 @@ static inline bool f2fs_is_volatile_file(struct inode *inode)
return is_inode_flag_set(F2FS_I(inode), FI_VOLATILE_FILE);
}
+static inline bool f2fs_is_drop_cache(struct inode *inode)
+{
+ return is_inode_flag_set(F2FS_I(inode), FI_DROP_CACHE);
+}
+
static inline void *inline_data_addr(struct page *page)
{
struct f2fs_inode *ri = F2FS_INODE(page);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3c27e0ecb3bc..5139f90e92c1 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -836,6 +836,19 @@ static long f2fs_fallocate(struct file *file, int mode,
return ret;
}
+static int f2fs_release_file(struct inode *inode, struct file *filp)
+{
+ /* some remained atomic pages should discarded */
+ if (f2fs_is_atomic_file(inode))
+ commit_inmem_pages(inode, true);
+ if (f2fs_is_volatile_file(inode)) {
+ set_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
+ filemap_fdatawrite(inode->i_mapping);
+ clear_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
+ }
+ return 0;
+}
+
#define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
#define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
@@ -909,26 +922,20 @@ out:
static int f2fs_ioc_start_atomic_write(struct file *filp)
{
struct inode *inode = file_inode(filp);
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
if (!inode_owner_or_capable(inode))
return -EACCES;
- f2fs_balance_fs(sbi);
+ f2fs_balance_fs(F2FS_I_SB(inode));
+
+ if (f2fs_is_atomic_file(inode))
+ return 0;
set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
return f2fs_convert_inline_inode(inode);
}
-static int f2fs_release_file(struct inode *inode, struct file *filp)
-{
- /* some remained atomic pages should discarded */
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode))
- commit_inmem_pages(inode, true);
- return 0;
-}
-
static int f2fs_ioc_commit_atomic_write(struct file *filp)
{
struct inode *inode = file_inode(filp);
@@ -949,6 +956,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
ret = f2fs_sync_file(filp, 0, LONG_MAX, 0);
mnt_drop_write_file(filp);
+ clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
return ret;
}
@@ -959,11 +967,56 @@ static int f2fs_ioc_start_volatile_write(struct file *filp)
if (!inode_owner_or_capable(inode))
return -EACCES;
+ if (f2fs_is_volatile_file(inode))
+ return 0;
+
set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
return f2fs_convert_inline_inode(inode);
}
+static int f2fs_ioc_release_volatile_write(struct file *filp)
+{
+ struct inode *inode = file_inode(filp);
+
+ if (!inode_owner_or_capable(inode))
+ return -EACCES;
+
+ if (!f2fs_is_volatile_file(inode))
+ return 0;
+
+ punch_hole(inode, 0, F2FS_BLKSIZE);
+ return 0;
+}
+
+static int f2fs_ioc_abort_volatile_write(struct file *filp)
+{
+ struct inode *inode = file_inode(filp);
+ int ret;
+
+ if (!inode_owner_or_capable(inode))
+ return -EACCES;
+
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
+ f2fs_balance_fs(F2FS_I_SB(inode));
+
+ if (f2fs_is_atomic_file(inode)) {
+ commit_inmem_pages(inode, false);
+ clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
+ }
+
+ if (f2fs_is_volatile_file(inode)) {
+ clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
+ filemap_fdatawrite(inode->i_mapping);
+ set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
+ }
+ mnt_drop_write_file(filp);
+ return ret;
+}
+
static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
@@ -1007,6 +1060,10 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_commit_atomic_write(filp);
case F2FS_IOC_START_VOLATILE_WRITE:
return f2fs_ioc_start_volatile_write(filp);
+ case F2FS_IOC_RELEASE_VOLATILE_WRITE:
+ return f2fs_ioc_release_volatile_write(filp);
+ case F2FS_IOC_ABORT_VOLATILE_WRITE:
+ return f2fs_ioc_abort_volatile_write(filp);
case FITRIM:
return f2fs_ioc_fitrim(filp, arg);
default:
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 196cc7843aaf..3a8958d1684f 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -304,7 +304,7 @@ void f2fs_evict_inode(struct inode *inode)
nid_t xnid = F2FS_I(inode)->i_xattr_nid;
/* some remained atomic pages should discarded */
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode))
+ if (f2fs_is_atomic_file(inode))
commit_inmem_pages(inode, true);
trace_f2fs_evict_inode(inode);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index d6f073edd861..cabecee88377 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -61,6 +61,9 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type)
mem_size += (sbi->im[i].ino_num *
sizeof(struct ino_entry)) >> PAGE_CACHE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
+ } else {
+ if (sbi->sb->s_bdi->dirty_exceeded)
+ return false;
}
return res;
}
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index d10b6448a671..036b887176ff 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -108,6 +108,7 @@ enum mem_type {
NAT_ENTRIES, /* indicates the cached nat entry */
DIRTY_DENTS, /* indicates dirty dentry pages */
INO_ENTRIES, /* indicates inode entries */
+ BASE_CHECK, /* check kernel status */
};
struct nat_entry_set {
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3ce86c533604..de9c0700c88e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -230,7 +230,7 @@ void commit_inmem_pages(struct inode *inode, bool abort)
bool submit_bio = false;
struct f2fs_io_info fio = {
.type = DATA,
- .rw = WRITE_SYNC,
+ .rw = WRITE_SYNC | REQ_PRIO,
};
/*