diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 7 | ||||
| -rw-r--r-- | include/linux/nubus.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/magic.h | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index e8cd6b839675..b5a24ba83b6f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2227,6 +2227,13 @@ static inline void file_start_write(struct file *file) __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true); } +static inline bool file_start_write_trylock(struct file *file) +{ + if (!S_ISREG(file_inode(file)->i_mode)) + return true; + return __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, false); +} + static inline void file_end_write(struct file *file) { if (!S_ISREG(file_inode(file)->i_mode)) diff --git a/include/linux/nubus.h b/include/linux/nubus.h index b3740527571a..6165b2c62040 100644 --- a/include/linux/nubus.h +++ b/include/linux/nubus.h @@ -87,7 +87,6 @@ static inline void nubus_proc_init(void) {} #endif int get_nubus_list(char *buf); int nubus_proc_attach_device(struct nubus_dev *dev); -int nubus_proc_detach_device(struct nubus_dev *dev); /* If we need more precision we can add some more of these */ struct nubus_dev* nubus_find_device(unsigned short category, unsigned short type, diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h index 249df3720be2..2944278a8ba7 100644 --- a/include/uapi/linux/magic.h +++ b/include/uapi/linux/magic.h @@ -30,6 +30,7 @@ #define JFFS2_SUPER_MAGIC 0x72b6 #define PSTOREFS_MAGIC 0x6165676C #define EFIVARFS_MAGIC 0xde5e81e4 +#define HOSTFS_SUPER_MAGIC 0x00c0ffee #define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */ #define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */ |