summaryrefslogtreecommitdiff
path: root/include/linux/fs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h46
1 files changed, 23 insertions, 23 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 51803528b095..b23a7018eb90 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -129,7 +129,7 @@ struct inodes_stat_t {
* WRITE_SYNC Like WRITE_SYNC_PLUG, but also unplugs the device
* immediately after submission. The write equivalent
* of READ_SYNC.
- * WRITE_ODIRECT Special case write for O_DIRECT only.
+ * WRITE_ODIRECT_PLUG Special case write for O_DIRECT only.
* SWRITE_SYNC
* SWRITE_SYNC_PLUG Like WRITE_SYNC/WRITE_SYNC_PLUG, but locks the buffer.
* See SWRITE.
@@ -151,7 +151,7 @@ struct inodes_stat_t {
#define READ_META (READ | (1 << BIO_RW_META))
#define WRITE_SYNC_PLUG (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE))
#define WRITE_SYNC (WRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG))
-#define WRITE_ODIRECT (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
+#define WRITE_ODIRECT_PLUG (WRITE | (1 << BIO_RW_SYNCIO))
#define SWRITE_SYNC_PLUG \
(SWRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE))
#define SWRITE_SYNC (SWRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG))
@@ -300,6 +300,11 @@ struct inodes_stat_t {
#define BLKTRACESTOP _IO(0x12,117)
#define BLKTRACETEARDOWN _IO(0x12,118)
#define BLKDISCARD _IO(0x12,119)
+#define BLKIOMIN _IO(0x12,120)
+#define BLKIOOPT _IO(0x12,121)
+#define BLKALIGNOFF _IO(0x12,122)
+#define BLKPBSZGET _IO(0x12,123)
+#define BLKDISCARDZEROES _IO(0x12,124)
#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
#define FIBMAP _IO(0x00,1) /* bmap access */
@@ -595,6 +600,7 @@ struct address_space_operations {
int (*launder_page) (struct page *);
int (*is_partially_uptodate) (struct page *, read_descriptor_t *,
unsigned long);
+ int (*error_remove_page)(struct address_space *, struct page *);
};
/*
@@ -640,7 +646,6 @@ struct block_device {
struct super_block * bd_super;
int bd_openers;
struct mutex bd_mutex; /* open/close mutex */
- struct semaphore bd_mount_sem;
struct list_head bd_inodes;
void * bd_holder;
int bd_holders;
@@ -1315,7 +1320,7 @@ struct super_block {
unsigned long s_blocksize;
unsigned char s_blocksize_bits;
unsigned char s_dirt;
- unsigned long long s_maxbytes; /* Max file size */
+ loff_t s_maxbytes; /* Max file size */
struct file_system_type *s_type;
const struct super_operations *s_op;
const struct dquot_operations *dq_op;
@@ -2086,8 +2091,6 @@ extern int filemap_fdatawait_range(struct address_space *, loff_t lstart,
extern int filemap_write_and_wait(struct address_space *mapping);
extern int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend);
-extern int wait_on_page_writeback_range(struct address_space *mapping,
- pgoff_t start, pgoff_t end);
extern int __filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end, int sync_mode);
extern int filemap_fdatawrite_range(struct address_space *mapping,
@@ -2156,6 +2159,7 @@ extern ino_t iunique(struct super_block *, ino_t);
extern int inode_needs_sync(struct inode *inode);
extern void generic_delete_inode(struct inode *inode);
extern void generic_drop_inode(struct inode *inode);
+extern int generic_detach_inode(struct inode *inode);
extern struct inode *ilookup5_nowait(struct super_block *sb,
unsigned long hashval, int (*test)(struct inode *, void *),
@@ -2260,9 +2264,11 @@ ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
int lock_type);
enum {
- DIO_LOCKING = 1, /* need locking between buffered and direct access */
- DIO_NO_LOCKING, /* bdev; no locking at all between buffered/direct */
- DIO_OWN_LOCKING, /* filesystem locks buffered and direct internally */
+ /* need locking between buffered and direct access */
+ DIO_LOCKING = 0x01,
+
+ /* filesystem does not support filling holes */
+ DIO_SKIP_HOLES = 0x02,
};
static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
@@ -2271,7 +2277,8 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
dio_iodone_t end_io)
{
return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
- nr_segs, get_block, end_io, DIO_LOCKING);
+ nr_segs, get_block, end_io,
+ DIO_LOCKING | DIO_SKIP_HOLES);
}
static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb,
@@ -2280,16 +2287,7 @@ static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb,
dio_iodone_t end_io)
{
return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
- nr_segs, get_block, end_io, DIO_NO_LOCKING);
-}
-
-static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb,
- struct inode *inode, struct block_device *bdev, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs, get_block_t get_block,
- dio_iodone_t end_io)
-{
- return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
- nr_segs, get_block, end_io, DIO_OWN_LOCKING);
+ nr_segs, get_block, end_io, 0);
}
#endif
@@ -2334,6 +2332,7 @@ extern void get_filesystem(struct file_system_type *fs);
extern void put_filesystem(struct file_system_type *fs);
extern struct file_system_type *get_fs_type(const char *name);
extern struct super_block *get_super(struct block_device *);
+extern struct super_block *get_active_super(struct block_device *bdev);
extern struct super_block *user_get_super(dev_t);
extern void drop_super(struct super_block *sb);
@@ -2381,7 +2380,8 @@ extern int buffer_migrate_page(struct address_space *,
#define buffer_migrate_page NULL
#endif
-extern int inode_change_ok(struct inode *, struct iattr *);
+extern int inode_change_ok(const struct inode *, struct iattr *);
+extern int inode_newsize_ok(const struct inode *, loff_t offset);
extern int __must_check inode_setattr(struct inode *, struct iattr *);
extern void file_update_time(struct file *file);
@@ -2443,7 +2443,7 @@ static int __fops ## _open(struct inode *inode, struct file *file) \
__simple_attr_check_format(__fmt, 0ull); \
return simple_attr_open(inode, file, __get, __set, __fmt); \
} \
-static struct file_operations __fops = { \
+static const struct file_operations __fops = { \
.owner = THIS_MODULE, \
.open = __fops ## _open, \
.release = simple_attr_release, \
@@ -2467,7 +2467,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos);
struct ctl_table;
-int proc_nr_files(struct ctl_table *table, int write, struct file *filp,
+int proc_nr_files(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
int __init get_filesystem_list(char *buf);