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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
commita1865fbd182b17f2d2f465f557af5b45501c5f1c (patch)
tree59da519ef2e59c763bb8efdbe67bc348cf833767 /fs/fuse
parentAdding upstream version 6.7.9. (diff)
downloadlinux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.tar.xz
linux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.zip
Adding upstream version 6.7.12.upstream/6.7.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--fs/fuse/dir.c6
-rw-r--r--fs/fuse/file.c8
-rw-r--r--fs/fuse/fuse_i.h1
-rw-r--r--fs/fuse/inode.c7
4 files changed, 16 insertions, 6 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index d19cbf34c6..9307bb4393 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -391,6 +391,10 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name
err = -EIO;
if (fuse_invalid_attr(&outarg->attr))
goto out_put_forget;
+ if (outarg->nodeid == FUSE_ROOT_ID && outarg->generation != 0) {
+ pr_warn_once("root generation should be zero\n");
+ outarg->generation = 0;
+ }
*inode = fuse_iget(sb, outarg->nodeid, outarg->generation,
&outarg->attr, ATTR_TIMEOUT(outarg),
@@ -1210,7 +1214,7 @@ static int fuse_do_statx(struct inode *inode, struct file *file,
if (((sx->mask & STATX_SIZE) && !fuse_valid_size(sx->size)) ||
((sx->mask & STATX_TYPE) && (!fuse_valid_type(sx->mode) ||
inode_wrong_type(inode, sx->mode)))) {
- make_bad_inode(inode);
+ fuse_make_bad(inode);
return -EIO;
}
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index a660f1f215..cc9651a013 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2467,7 +2467,8 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
return fuse_dax_mmap(file, vma);
if (ff->open_flags & FOPEN_DIRECT_IO) {
- /* Can't provide the coherency needed for MAP_SHARED
+ /*
+ * Can't provide the coherency needed for MAP_SHARED
* if FUSE_DIRECT_IO_ALLOW_MMAP isn't set.
*/
if ((vma->vm_flags & VM_MAYSHARE) && !fc->direct_io_allow_mmap)
@@ -2475,7 +2476,10 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
invalidate_inode_pages2(file->f_mapping);
- return generic_file_mmap(file, vma);
+ if (!(vma->vm_flags & VM_MAYSHARE)) {
+ /* MAP_PRIVATE */
+ return generic_file_mmap(file, vma);
+ }
}
if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_MAYWRITE))
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 1df83eebda..b5c241e169 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -939,7 +939,6 @@ static inline bool fuse_stale_inode(const struct inode *inode, int generation,
static inline void fuse_make_bad(struct inode *inode)
{
- remove_inode_hash(inode);
set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state);
}
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 2a6d44f917..b676c72c62 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -469,8 +469,11 @@ retry:
} else if (fuse_stale_inode(inode, generation, attr)) {
/* nodeid was reused, any I/O on the old inode should fail */
fuse_make_bad(inode);
- iput(inode);
- goto retry;
+ if (inode != d_inode(sb->s_root)) {
+ remove_inode_hash(inode);
+ iput(inode);
+ goto retry;
+ }
}
fi = get_fuse_inode(inode);
spin_lock(&fi->lock);