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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-29 05:24:10 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-29 05:24:10 -0400
commitcf09e3c904bf424f8b6a8203958e09bf7d9bcbc0 (patch)
tree5e9936b3de36aa222b52a9bca366a43d98730ffd /include/linux/dcache.h
parentd5426f4c2ebac8cf05de43988c3fccddbee13d28 (diff)
parente19b205be43d11bff638cad4487008c48d21c103 (diff)
Merge tag 'v4.14-rc2' into patchwork
Linux 4.14-rc2 * tag 'v4.14-rc2': (12066 commits) Linux 4.14-rc2 tpm: ibmvtpm: simplify crq initialization and document crq format tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers Documentation: tpm: add powered-while-suspended binding documentation tpm: tpm_crb: constify acpi_device_id. tpm: vtpm: constify vio_device_id security: fix description of values returned by cap_inode_need_killpriv x86/asm: Fix inline asm call constraints for Clang objtool: Handle another GCC stack pointer adjustment bug inet: fix improper empty comparison net: use inet6_rcv_saddr to compare sockets net: set tb->fast_sk_family net: orphan frags on stand-alone ptype in dev_queue_xmit_nit MAINTAINERS: update git tree locations for ieee802154 subsystem SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags SMB3: handle new statx fields arch: remove unused *_segments() macros/functions parisc: Unbreak bootloader due to gcc-7 optimizations parisc: Reintroduce option to gzip-compress the kernel apparmor: fix apparmorfs DAC access permissions ...
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r--include/linux/dcache.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index aae1cdb76851..ed1a7cf6923a 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -147,7 +147,7 @@ struct dentry_operations {
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(const struct path *, bool);
struct dentry *(*d_real)(struct dentry *, const struct inode *,
- unsigned int);
+ unsigned int, unsigned int);
} ____cacheline_aligned;
/*
@@ -562,11 +562,15 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
return upper;
}
+/* d_real() flags */
+#define D_REAL_UPPER 0x2 /* return upper dentry or NULL if non-upper */
+
/**
* d_real - Return the real dentry
* @dentry: the dentry to query
* @inode: inode to select the dentry from multiple layers (can be NULL)
- * @flags: open flags to control copy-up behavior
+ * @open_flags: open flags to control copy-up behavior
+ * @flags: flags to control what is returned by this function
*
* If dentry is on a union/overlay, then return the underlying, real dentry.
* Otherwise return the dentry itself.
@@ -575,10 +579,10 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
*/
static inline struct dentry *d_real(struct dentry *dentry,
const struct inode *inode,
- unsigned int flags)
+ unsigned int open_flags, unsigned int flags)
{
if (unlikely(dentry->d_flags & DCACHE_OP_REAL))
- return dentry->d_op->d_real(dentry, inode, flags);
+ return dentry->d_op->d_real(dentry, inode, open_flags, flags);
else
return dentry;
}
@@ -593,7 +597,7 @@ static inline struct dentry *d_real(struct dentry *dentry,
static inline struct inode *d_real_inode(const struct dentry *dentry)
{
/* This usage of d_real() results in const dentry */
- return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0));
+ return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0, 0));
}
struct name_snapshot {