diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/buffer_head.h | 2 | ||||
| -rw-r--r-- | include/linux/fs.h | 9 | ||||
| -rw-r--r-- | include/linux/namei.h | 1 | ||||
| -rw-r--r-- | include/linux/oprofile.h | 16 |
4 files changed, 16 insertions, 12 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 91fa9a94ae92..d77797a52b7b 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -36,6 +36,7 @@ enum bh_state_bits { BH_Quiet, /* Buffer Error Prinks to be quiet */ BH_Meta, /* Buffer contains metadata */ BH_Prio, /* Buffer should be submitted with REQ_PRIO */ + BH_Defer_Completion, /* Defer AIO completion to workqueue */ BH_PrivateStart,/* not a state bit, but the first bit available * for private allocation by other entities @@ -128,6 +129,7 @@ BUFFER_FNS(Write_EIO, write_io_error) BUFFER_FNS(Unwritten, unwritten) BUFFER_FNS(Meta, meta) BUFFER_FNS(Prio, prio) +BUFFER_FNS(Defer_Completion, defer_completion) #define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK) diff --git a/include/linux/fs.h b/include/linux/fs.h index e7893523f81f..3b4cd8296e41 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -46,6 +46,7 @@ struct vfsmount; struct cred; struct swap_info_struct; struct seq_file; +struct workqueue_struct; extern void __init inode_init(void); extern void __init inode_init_early(void); @@ -63,8 +64,7 @@ struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, - ssize_t bytes, void *private, int ret, - bool is_async); + ssize_t bytes, void *private); #define MAY_EXEC 0x00000001 #define MAY_WRITE 0x00000002 @@ -1328,6 +1328,9 @@ struct super_block { /* Being remounted read-only */ int s_readonly_remount; + + /* AIO completions deferred from interrupt context */ + struct workqueue_struct *s_dio_done_wq; }; /* superblock cache pruning functions */ @@ -1804,7 +1807,7 @@ enum file_time_flags { S_VERSION = 8, }; -extern void touch_atime(struct path *); +extern void touch_atime(const struct path *); static inline void file_accessed(struct file *file) { if (!(file->f_flags & O_NOATIME)) diff --git a/include/linux/namei.h b/include/linux/namei.h index 5a5ff57ceed4..cd09751c71a0 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -58,6 +58,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; extern int user_path_at(int, const char __user *, unsigned, struct path *); extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty); +extern int user_path_umountat(int, const char __user *, unsigned int, struct path *); #define user_path(name, path) user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path) #define user_lpath(name, path) user_path_at(AT_FDCWD, name, 0, path) diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index a4c562453f6b..b2a0f15f11fe 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -42,7 +42,6 @@ #define IBS_FETCH_CODE 13 #define IBS_OP_CODE 14 -struct super_block; struct dentry; struct file_operations; struct pt_regs; @@ -51,7 +50,7 @@ struct pt_regs; struct oprofile_operations { /* create any necessary configuration files in the oprofile fs. * Optional. */ - int (*create_files)(struct super_block * sb, struct dentry * root); + int (*create_files)(struct dentry * root); /* Do any necessary interrupt setup. Optional. */ int (*setup)(void); /* Do any necessary interrupt shutdown. Optional. */ @@ -125,27 +124,26 @@ void oprofile_add_trace(unsigned long eip); * Create a file of the given name as a child of the given root, with * the specified file operations. */ -int oprofilefs_create_file(struct super_block * sb, struct dentry * root, +int oprofilefs_create_file(struct dentry * root, char const * name, const struct file_operations * fops); -int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root, +int oprofilefs_create_file_perm(struct dentry * root, char const * name, const struct file_operations * fops, int perm); /** Create a file for read/write access to an unsigned long. */ -int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root, +int oprofilefs_create_ulong(struct dentry * root, char const * name, ulong * val); /** Create a file for read-only access to an unsigned long. */ -int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root, +int oprofilefs_create_ro_ulong(struct dentry * root, char const * name, ulong * val); /** Create a file for read-only access to an atomic_t. */ -int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root, +int oprofilefs_create_ro_atomic(struct dentry * root, char const * name, atomic_t * val); /** create a directory */ -struct dentry * oprofilefs_mkdir(struct super_block * sb, struct dentry * root, - char const * name); +struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name); /** * Write the given asciz string to the given user buffer @buf, updating *offset |