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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /include/linux/file.h
parentmtd: nand: detect Samsung K9GBG08U0A, K9GAG08U0F ID (diff)
parentUAPI: (Scripted) Disintegrate include/mtd (diff)
downloadwireguard-linux-ffe315012510165ce82e4dd4767f0a5dba9edbf7.tar.xz
wireguard-linux-ffe315012510165ce82e4dd4767f0a5dba9edbf7.zip
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to '')
-rw-r--r--include/linux/file.h35
1 files changed, 32 insertions, 3 deletions
diff --git a/include/linux/file.h b/include/linux/file.h
index a22408bac0d0..cbacf4faf447 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -26,15 +26,44 @@ static inline void fput_light(struct file *file, int fput_needed)
fput(file);
}
+struct fd {
+ struct file *file;
+ int need_put;
+};
+
+static inline void fdput(struct fd fd)
+{
+ if (fd.need_put)
+ fput(fd.file);
+}
+
extern struct file *fget(unsigned int fd);
extern struct file *fget_light(unsigned int fd, int *fput_needed);
+
+static inline struct fd fdget(unsigned int fd)
+{
+ int b;
+ struct file *f = fget_light(fd, &b);
+ return (struct fd){f,b};
+}
+
extern struct file *fget_raw(unsigned int fd);
extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);
+
+static inline struct fd fdget_raw(unsigned int fd)
+{
+ int b;
+ struct file *f = fget_raw_light(fd, &b);
+ return (struct fd){f,b};
+}
+
+extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);
+extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
extern void set_close_on_exec(unsigned int fd, int flag);
+extern bool get_close_on_exec(unsigned int fd);
extern void put_filp(struct file *);
-extern int alloc_fd(unsigned start, unsigned flags);
-extern int get_unused_fd(void);
-#define get_unused_fd_flags(flags) alloc_fd(0, (flags))
+extern int get_unused_fd_flags(unsigned flags);
+#define get_unused_fd() get_unused_fd_flags(0)
extern void put_unused_fd(unsigned int fd);
extern void fd_install(unsigned int fd, struct file *file);