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Diffstat (limited to 'fs')
-rw-r--r--fs/afs/dir.c7
-rw-r--r--fs/afs/dir_silly.c3
-rw-r--r--fs/afs/fs_operation.c6
-rw-r--r--fs/afs/inode.c6
-rw-r--r--fs/afs/internal.h2
-rw-r--r--fs/afs/write.c1
6 files changed, 23 insertions, 2 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 9dc6f4b1c417..628ba3fed36d 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -1337,6 +1337,7 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
afs_op_set_vnode(op, 0, dvnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
op->dentry = dentry;
op->create.mode = S_IFDIR | mode;
@@ -1418,6 +1419,7 @@ static int afs_rmdir(struct inode *dir, struct dentry *dentry)
afs_op_set_vnode(op, 0, dvnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
op->dentry = dentry;
@@ -1554,6 +1556,7 @@ static int afs_unlink(struct inode *dir, struct dentry *dentry)
afs_op_set_vnode(op, 0, dvnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
/* Try to make sure we have a callback promise on the victim. */
@@ -1636,6 +1639,7 @@ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
afs_op_set_vnode(op, 0, dvnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
op->dentry = dentry;
@@ -1710,6 +1714,7 @@ static int afs_link(struct dentry *from, struct inode *dir,
afs_op_set_vnode(op, 0, dvnode);
afs_op_set_vnode(op, 1, vnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
op->file[1].update_ctime = true;
@@ -1905,6 +1910,8 @@ static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
afs_op_set_vnode(op, 1, new_dvnode); /* May be same as orig_dvnode */
op->file[0].dv_delta = 1;
op->file[1].dv_delta = 1;
+ op->file[0].modification = true;
+ op->file[1].modification = true;
op->file[0].update_ctime = true;
op->file[1].update_ctime = true;
diff --git a/fs/afs/dir_silly.c b/fs/afs/dir_silly.c
index 04f75a44f243..dae9a57d7ec0 100644
--- a/fs/afs/dir_silly.c
+++ b/fs/afs/dir_silly.c
@@ -73,6 +73,8 @@ static int afs_do_silly_rename(struct afs_vnode *dvnode, struct afs_vnode *vnode
afs_op_set_vnode(op, 1, dvnode);
op->file[0].dv_delta = 1;
op->file[1].dv_delta = 1;
+ op->file[0].modification = true;
+ op->file[1].modification = true;
op->file[0].update_ctime = true;
op->file[1].update_ctime = true;
@@ -201,6 +203,7 @@ static int afs_do_silly_unlink(struct afs_vnode *dvnode, struct afs_vnode *vnode
afs_op_set_vnode(op, 0, dvnode);
afs_op_set_vnode(op, 1, vnode);
op->file[0].dv_delta = 1;
+ op->file[0].modification = true;
op->file[0].update_ctime = true;
op->file[1].op_unlinked = true;
op->file[1].update_ctime = true;
diff --git a/fs/afs/fs_operation.c b/fs/afs/fs_operation.c
index 71c58723763d..a82515b47350 100644
--- a/fs/afs/fs_operation.c
+++ b/fs/afs/fs_operation.c
@@ -118,6 +118,8 @@ static void afs_prepare_vnode(struct afs_operation *op, struct afs_vnode_param *
vp->cb_break_before = afs_calc_vnode_cb_break(vnode);
if (vnode->lock_state != AFS_VNODE_LOCK_NONE)
op->flags |= AFS_OPERATION_CUR_ONLY;
+ if (vp->modification)
+ set_bit(AFS_VNODE_MODIFYING, &vnode->flags);
}
if (vp->fid.vnode)
@@ -223,6 +225,10 @@ int afs_put_operation(struct afs_operation *op)
if (op->ops && op->ops->put)
op->ops->put(op);
+ if (op->file[0].modification)
+ clear_bit(AFS_VNODE_MODIFYING, &op->file[0].vnode->flags);
+ if (op->file[1].modification && op->file[1].vnode != op->file[0].vnode)
+ clear_bit(AFS_VNODE_MODIFYING, &op->file[1].vnode->flags);
if (op->file[0].put_vnode)
iput(&op->file[0].vnode->vfs_inode);
if (op->file[1].put_vnode)
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index bf44e245d7dc..ae3016a9fb23 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -293,8 +293,9 @@ void afs_vnode_commit_status(struct afs_operation *op, struct afs_vnode_param *v
op->flags &= ~AFS_OPERATION_DIR_CONFLICT;
}
} else if (vp->scb.have_status) {
- if (vp->dv_before + vp->dv_delta != vp->scb.status.data_version &&
- vp->speculative)
+ if (vp->speculative &&
+ (test_bit(AFS_VNODE_MODIFYING, &vnode->flags) ||
+ vp->dv_before != vnode->status.data_version))
/* Ignore the result of a speculative bulk status fetch
* if it splits around a modification op, thereby
* appearing to regress the data version.
@@ -909,6 +910,7 @@ int afs_setattr(struct dentry *dentry, struct iattr *attr)
}
op->ctime = attr->ia_ctime;
op->file[0].update_ctime = 1;
+ op->file[0].modification = true;
op->ops = &afs_setattr_operation;
ret = afs_do_sync_operation(op);
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 525ef075fcd9..ffe318ad2e02 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -640,6 +640,7 @@ struct afs_vnode {
#define AFS_VNODE_PSEUDODIR 7 /* set if Vnode is a pseudo directory */
#define AFS_VNODE_NEW_CONTENT 8 /* Set if file has new content (create/trunc-0) */
#define AFS_VNODE_SILLY_DELETED 9 /* Set if file has been silly-deleted */
+#define AFS_VNODE_MODIFYING 10 /* Set if we're performing a modification op */
struct list_head wb_keys; /* List of keys available for writeback */
struct list_head pending_locks; /* locks waiting to be granted */
@@ -756,6 +757,7 @@ struct afs_vnode_param {
bool set_size:1; /* Must update i_size */
bool op_unlinked:1; /* True if file was unlinked by op */
bool speculative:1; /* T if speculative status fetch (no vnode lock) */
+ bool modification:1; /* Set if the content gets modified */
};
/*
diff --git a/fs/afs/write.c b/fs/afs/write.c
index c9195fc67fd8..d37b5cfcf28f 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -450,6 +450,7 @@ static int afs_store_data(struct address_space *mapping,
afs_op_set_vnode(op, 0, vnode);
op->file[0].dv_delta = 1;
op->store.mapping = mapping;
+ op->file[0].modification = true;
op->store.first = first;
op->store.last = last;
op->store.first_offset = offset;