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authorDavid Howells <dhowells@redhat.com>2018-10-20 02:57:57 +0300
committerDavid Howells <dhowells@redhat.com>2018-10-24 02:41:08 +0300
commit3b6492df4153b8550d347dfc581856138678a231 (patch)
tree2a4acc9c8cef93e940520369f61034485f4eb434 /fs/afs/write.c
parent2a0b4f64c9edcdcb67306f26d9d08ef982cb0ccd (diff)
downloadlinux-3b6492df4153b8550d347dfc581856138678a231.tar.xz
afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS
Increase the sizes of the volume ID to 64 bits and the vnode ID (inode number equivalent) to 96 bits to allow the support of YFS. This requires the iget comparator to check the vnode->fid rather than i_ino and i_generation as i_ino is not sufficiently capacious. It also requires this data to be placed into the vnode cache key for fscache. For the moment, just discard the top 32 bits of the vnode ID when returning it though stat. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/write.c')
-rw-r--r--fs/afs/write.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 11066a3248ba..72efcfcf9f95 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -92,7 +92,7 @@ int afs_write_begin(struct file *file, struct address_space *mapping,
pgoff_t index = pos >> PAGE_SHIFT;
int ret;
- _enter("{%x:%u},{%lx},%u,%u",
+ _enter("{%llx:%llu},{%lx},%u,%u",
vnode->fid.vid, vnode->fid.vnode, index, from, to);
/* We want to store information about how much of a page is altered in
@@ -192,7 +192,7 @@ int afs_write_end(struct file *file, struct address_space *mapping,
loff_t i_size, maybe_i_size;
int ret;
- _enter("{%x:%u},{%lx}",
+ _enter("{%llx:%llu},{%lx}",
vnode->fid.vid, vnode->fid.vnode, page->index);
maybe_i_size = pos + copied;
@@ -241,7 +241,7 @@ static void afs_kill_pages(struct address_space *mapping,
struct pagevec pv;
unsigned count, loop;
- _enter("{%x:%u},%lx-%lx",
+ _enter("{%llx:%llu},%lx-%lx",
vnode->fid.vid, vnode->fid.vnode, first, last);
pagevec_init(&pv);
@@ -283,7 +283,7 @@ static void afs_redirty_pages(struct writeback_control *wbc,
struct pagevec pv;
unsigned count, loop;
- _enter("{%x:%u},%lx-%lx",
+ _enter("{%llx:%llu},%lx-%lx",
vnode->fid.vid, vnode->fid.vnode, first, last);
pagevec_init(&pv);
@@ -325,7 +325,7 @@ static int afs_store_data(struct address_space *mapping,
struct list_head *p;
int ret = -ENOKEY, ret2;
- _enter("%s{%x:%u.%u},%lx,%lx,%x,%x",
+ _enter("%s{%llx:%llu.%u},%lx,%lx,%x,%x",
vnode->volume->name,
vnode->fid.vid,
vnode->fid.vnode,
@@ -687,7 +687,7 @@ void afs_pages_written_back(struct afs_vnode *vnode, struct afs_call *call)
unsigned count, loop;
pgoff_t first = call->first, last = call->last;
- _enter("{%x:%u},{%lx-%lx}",
+ _enter("{%llx:%llu},{%lx-%lx}",
vnode->fid.vid, vnode->fid.vnode, first, last);
pagevec_init(&pv);
@@ -726,7 +726,7 @@ ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from)
ssize_t result;
size_t count = iov_iter_count(from);
- _enter("{%x.%u},{%zu},",
+ _enter("{%llx:%llu},{%zu},",
vnode->fid.vid, vnode->fid.vnode, count);
if (IS_SWAPFILE(&vnode->vfs_inode)) {
@@ -754,7 +754,7 @@ int afs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
struct inode *inode = file_inode(file);
struct afs_vnode *vnode = AFS_FS_I(inode);
- _enter("{%x:%u},{n=%pD},%d",
+ _enter("{%llx:%llu},{n=%pD},%d",
vnode->fid.vid, vnode->fid.vnode, file,
datasync);
@@ -772,7 +772,7 @@ vm_fault_t afs_page_mkwrite(struct vm_fault *vmf)
struct afs_vnode *vnode = AFS_FS_I(inode);
unsigned long priv;
- _enter("{{%x:%u}},{%lx}",
+ _enter("{{%llx:%llu}},{%lx}",
vnode->fid.vid, vnode->fid.vnode, vmf->page->index);
sb_start_pagefault(inode->i_sb);