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-rw-r--r--libglusterfs/src/fd.c41
-rw-r--r--libglusterfs/src/fd.h4
2 files changed, 36 insertions, 9 deletions
diff --git a/libglusterfs/src/fd.c b/libglusterfs/src/fd.c
index 373f8da0f48..7177fa275db 100644
--- a/libglusterfs/src/fd.c
+++ b/libglusterfs/src/fd.c
@@ -744,7 +744,7 @@ fd_lookup_uint64 (inode_t *inode, uint64_t pid)
}
static fd_t *
-__fd_lookup_anonymous (inode_t *inode)
+__fd_lookup_anonymous (inode_t *inode, int32_t flags)
{
fd_t *iter_fd = NULL;
fd_t *fd = NULL;
@@ -753,7 +753,7 @@ __fd_lookup_anonymous (inode_t *inode)
return NULL;
list_for_each_entry (iter_fd, &inode->fd_list, inode_list) {
- if (iter_fd->anonymous) {
+ if ((iter_fd->anonymous) && (flags == iter_fd->flags)) {
fd = __fd_ref (iter_fd);
break;
}
@@ -763,11 +763,11 @@ __fd_lookup_anonymous (inode_t *inode)
}
static fd_t *
-__fd_anonymous (inode_t *inode)
+__fd_anonymous (inode_t *inode, int32_t flags)
{
fd_t *fd = NULL;
- fd = __fd_lookup_anonymous (inode);
+ fd = __fd_lookup_anonymous (inode, flags);
/* if (fd); then we already have increased the refcount in
__fd_lookup_anonymous(), so no need of one more fd_ref().
@@ -780,7 +780,7 @@ __fd_anonymous (inode_t *inode)
return NULL;
fd->anonymous = _gf_true;
- fd->flags = GF_ANON_FD_FLAGS;
+ fd->flags = GF_ANON_FD_FLAGS|flags;
__fd_bind (fd);
@@ -798,7 +798,32 @@ fd_anonymous (inode_t *inode)
LOCK (&inode->lock);
{
- fd = __fd_anonymous (inode);
+ fd = __fd_anonymous (inode, GF_ANON_FD_FLAGS);
+ }
+ UNLOCK (&inode->lock);
+
+ return fd;
+}
+
+fd_t *
+fd_anonymous_with_flags (inode_t *inode, int32_t flags)
+{
+ fd_t *fd = NULL;
+
+ LOCK (&inode->lock);
+ {
+ if (flags == 0)
+ flags = GF_ANON_FD_FLAGS;
+ /* If this API is ever called with O_SYNC or O_DSYNC in @flags,
+ * reset the bits associated with these flags before calling
+ * __fd_anonymous(). That way, posix will do the open() without
+ * these flags. And subsequently, posix_writev() (mostly) will
+ * do the write within inode->lock on an fd without O_SYNC or
+ * O_DSYNC and in its place to an fsync() outside of the locks
+ * to simulate the effect of using these flags.
+ */
+ flags &= (~(O_SYNC|O_DSYNC));
+ fd = __fd_anonymous (inode, flags);
}
UNLOCK (&inode->lock);
@@ -806,7 +831,7 @@ fd_anonymous (inode_t *inode)
}
fd_t*
-fd_lookup_anonymous (inode_t *inode)
+fd_lookup_anonymous (inode_t *inode, int32_t flags)
{
fd_t *fd = NULL;
@@ -818,7 +843,7 @@ fd_lookup_anonymous (inode_t *inode)
LOCK (&inode->lock);
{
- fd = __fd_lookup_anonymous (inode);
+ fd = __fd_lookup_anonymous (inode, flags);
}
UNLOCK (&inode->lock);
return fd;
diff --git a/libglusterfs/src/fd.h b/libglusterfs/src/fd.h
index a6dc48a0b0e..322cac7dd1f 100644
--- a/libglusterfs/src/fd.h
+++ b/libglusterfs/src/fd.h
@@ -136,11 +136,13 @@ fd_t *
fd_lookup_uint64 (struct _inode *inode, uint64_t pid);
fd_t*
-fd_lookup_anonymous (inode_t *inode);
+fd_lookup_anonymous (inode_t *inode, int32_t flags);
fd_t *
fd_anonymous (inode_t *inode);
+fd_t *
+fd_anonymous_with_flags (inode_t *inode, int32_t flags);
gf_boolean_t
fd_is_anonymous (fd_t *fd);