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-rw-r--r--fs/xfs/linux-2.6/xfs_file.c13
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c128
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c180
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.c29
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h1
5 files changed, 209 insertions, 142 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 269995ddfbd..ce8fe40e162 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -420,7 +420,7 @@ linvfs_file_mmap(
{
struct inode *ip = filp->f_dentry->d_inode;
vnode_t *vp = LINVFS_GET_VP(ip);
- vattr_t va = { .va_mask = XFS_AT_UPDATIME };
+ vattr_t *vattr;
int error;
vma->vm_ops = &linvfs_file_vm_ops;
@@ -431,9 +431,14 @@ linvfs_file_mmap(
}
#endif /* CONFIG_XFS_DMAPI */
- VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
- if (!error)
- vn_revalidate(vp); /* update Linux inode flags */
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+ vattr->va_mask = XFS_AT_UPDATIME;
+ VOP_SETATTR(vp, vattr, XFS_AT_UPDATIME, NULL, error);
+ if (likely(!error))
+ __vn_revalidate(vp, vattr); /* update flags */
+ kfree(vattr);
return 0;
}
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 4db47790415..f182721ec9a 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -1160,105 +1160,129 @@ xfs_ioc_xattr(
void __user *arg)
{
struct fsxattr fa;
- vattr_t va;
- int error;
+ struct vattr *vattr;
+ int error = 0;
int attr_flags;
unsigned int flags;
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
switch (cmd) {
case XFS_IOC_FSGETXATTR: {
- va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
- XFS_AT_NEXTENTS | XFS_AT_PROJID;
- VOP_GETATTR(vp, &va, 0, NULL, error);
- if (error)
- return -error;
+ vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+ XFS_AT_NEXTENTS | XFS_AT_PROJID;
+ VOP_GETATTR(vp, vattr, 0, NULL, error);
+ if (unlikely(error)) {
+ error = -error;
+ break;
+ }
- fa.fsx_xflags = va.va_xflags;
- fa.fsx_extsize = va.va_extsize;
- fa.fsx_nextents = va.va_nextents;
- fa.fsx_projid = va.va_projid;
+ fa.fsx_xflags = vattr->va_xflags;
+ fa.fsx_extsize = vattr->va_extsize;
+ fa.fsx_nextents = vattr->va_nextents;
+ fa.fsx_projid = vattr->va_projid;
- if (copy_to_user(arg, &fa, sizeof(fa)))
- return -XFS_ERROR(EFAULT);
- return 0;
+ if (copy_to_user(arg, &fa, sizeof(fa))) {
+ error = -EFAULT;
+ break;
+ }
+ break;
}
case XFS_IOC_FSSETXATTR: {
- if (copy_from_user(&fa, arg, sizeof(fa)))
- return -XFS_ERROR(EFAULT);
+ if (copy_from_user(&fa, arg, sizeof(fa))) {
+ error = -EFAULT;
+ break;
+ }
attr_flags = 0;
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
attr_flags |= ATTR_NONBLOCK;
- va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
- va.va_xflags = fa.fsx_xflags;
- va.va_extsize = fa.fsx_extsize;
- va.va_projid = fa.fsx_projid;
+ vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
+ vattr->va_xflags = fa.fsx_xflags;
+ vattr->va_extsize = fa.fsx_extsize;
+ vattr->va_projid = fa.fsx_projid;
- VOP_SETATTR(vp, &va, attr_flags, NULL, error);
- if (!error)
- vn_revalidate(vp); /* update Linux inode flags */
- return -error;
+ VOP_SETATTR(vp, vattr, attr_flags, NULL, error);
+ if (likely(!error))
+ __vn_revalidate(vp, vattr); /* update flags */
+ error = -error;
+ break;
}
case XFS_IOC_FSGETXATTRA: {
- va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
- XFS_AT_ANEXTENTS | XFS_AT_PROJID;
- VOP_GETATTR(vp, &va, 0, NULL, error);
- if (error)
- return -error;
+ vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+ XFS_AT_ANEXTENTS | XFS_AT_PROJID;
+ VOP_GETATTR(vp, vattr, 0, NULL, error);
+ if (unlikely(error)) {
+ error = -error;
+ break;
+ }
- fa.fsx_xflags = va.va_xflags;
- fa.fsx_extsize = va.va_extsize;
- fa.fsx_nextents = va.va_anextents;
- fa.fsx_projid = va.va_projid;
+ fa.fsx_xflags = vattr->va_xflags;
+ fa.fsx_extsize = vattr->va_extsize;
+ fa.fsx_nextents = vattr->va_anextents;
+ fa.fsx_projid = vattr->va_projid;
- if (copy_to_user(arg, &fa, sizeof(fa)))
- return -XFS_ERROR(EFAULT);
- return 0;
+ if (copy_to_user(arg, &fa, sizeof(fa))) {
+ error = -EFAULT;
+ break;
+ }
+ break;
}
case XFS_IOC_GETXFLAGS: {
flags = xfs_di2lxflags(ip->i_d.di_flags);
if (copy_to_user(arg, &flags, sizeof(flags)))
- return -XFS_ERROR(EFAULT);
- return 0;
+ error = -EFAULT;
+ break;
}
case XFS_IOC_SETXFLAGS: {
- if (copy_from_user(&flags, arg, sizeof(flags)))
- return -XFS_ERROR(EFAULT);
+ if (copy_from_user(&flags, arg, sizeof(flags))) {
+ error = -EFAULT;
+ break;
+ }
if (flags & ~(LINUX_XFLAG_IMMUTABLE | LINUX_XFLAG_APPEND | \
LINUX_XFLAG_NOATIME | LINUX_XFLAG_NODUMP | \
- LINUX_XFLAG_SYNC))
- return -XFS_ERROR(EOPNOTSUPP);
+ LINUX_XFLAG_SYNC)) {
+ error = -EOPNOTSUPP;
+ break;
+ }
attr_flags = 0;
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
attr_flags |= ATTR_NONBLOCK;
- va.va_mask = XFS_AT_XFLAGS;
- va.va_xflags = xfs_merge_ioc_xflags(flags,
- xfs_ip2xflags(ip));
+ vattr->va_mask = XFS_AT_XFLAGS;
+ vattr->va_xflags = xfs_merge_ioc_xflags(flags,
+ xfs_ip2xflags(ip));
- VOP_SETATTR(vp, &va, attr_flags, NULL, error);
- if (!error)
- vn_revalidate(vp); /* update Linux inode flags */
- return -error;
+ VOP_SETATTR(vp, vattr, attr_flags, NULL, error);
+ if (likely(!error))
+ __vn_revalidate(vp, vattr); /* update flags */
+ error = -error;
+ break;
}
case XFS_IOC_GETVERSION: {
flags = LINVFS_GET_IP(vp)->i_generation;
if (copy_to_user(arg, &flags, sizeof(flags)))
- return -XFS_ERROR(EFAULT);
- return 0;
+ error = -EFAULT;
+ break;
}
default:
- return -ENOTTY;
+ error = -ENOTTY;
+ break;
}
+
+ kfree(vattr);
+ return error;
}
STATIC int
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index d7f6f2d8ac8..b1219195c6e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -198,22 +198,22 @@ xfs_ichgtime_fast(
* Pull the link count and size up from the xfs inode to the linux inode
*/
STATIC void
-validate_fields(
- struct inode *ip)
+__linvfs_validate_fields(
+ struct inode *ip,
+ struct vattr *vattr)
{
vnode_t *vp = LINVFS_GET_VP(ip);
- vattr_t va;
int error;
- va.va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
- VOP_GETATTR(vp, &va, ATTR_LAZY, NULL, error);
- if (likely(!error)) {
- ip->i_nlink = va.va_nlink;
- ip->i_blocks = va.va_nblocks;
+ vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
+ VOP_GETATTR(vp, vattr, ATTR_LAZY, NULL, error);
+ if (likely(!error)) {
+ ip->i_nlink = vattr->va_nlink;
+ ip->i_blocks = vattr->va_nblocks;
- /* we're under i_mutex so i_size can't change under us */
- if (i_size_read(ip) != va.va_size)
- i_size_write(ip, va.va_size);
+ /* we're under i_sem so i_size can't change under us */
+ if (i_size_read(ip) != vattr->va_size)
+ i_size_write(ip, vattr->va_size);
}
}
@@ -224,7 +224,7 @@ validate_fields(
* inode, of course, such that log replay can't cause these to be lost).
*/
STATIC int
-linvfs_init_security(
+__linvfs_init_security(
struct vnode *vp,
struct inode *dir)
{
@@ -257,23 +257,23 @@ linvfs_init_security(
* XXX(hch): nfsd is broken, better fix it instead.
*/
STATIC inline int
-has_fs_struct(struct task_struct *task)
+__linvfs_has_fs_struct(struct task_struct *task)
{
return (task->fs != init_task.fs);
}
STATIC inline void
-cleanup_inode(
+__linvfs_cleanup_inode(
vnode_t *dvp,
vnode_t *vp,
- struct dentry *dentry,
+ struct dentry *dentry,
int mode)
{
struct dentry teardown = {};
- int err2;
+ int error;
/* Oh, the horror.
- * If we can't add the ACL or we fail in
+ * If we can't add the ACL or we fail in
* linvfs_init_security we must back out.
* ENOSPC can hit here, among other things.
*/
@@ -281,9 +281,9 @@ cleanup_inode(
teardown.d_name = dentry->d_name;
if (S_ISDIR(mode))
- VOP_RMDIR(dvp, &teardown, NULL, err2);
+ VOP_RMDIR(dvp, &teardown, NULL, error);
else
- VOP_REMOVE(dvp, &teardown, NULL, err2);
+ VOP_REMOVE(dvp, &teardown, NULL, error);
VN_RELE(vp);
}
@@ -295,7 +295,7 @@ linvfs_mknod(
dev_t rdev)
{
struct inode *ip;
- vattr_t va;
+ vattr_t *vattr;
vnode_t *vp = NULL, *dvp = LINVFS_GET_VP(dir);
xfs_acl_t *default_acl = NULL;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
@@ -305,70 +305,76 @@ linvfs_mknod(
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
- if (!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff)
+ if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
- if (test_default_acl && test_default_acl(dvp)) {
- if (!_ACL_ALLOC(default_acl))
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
+ if (unlikely(test_default_acl && test_default_acl(dvp))) {
+ if (!_ACL_ALLOC(default_acl)) {
+ kfree(vattr);
return -ENOMEM;
+ }
if (!_ACL_GET_DEFAULT(dvp, default_acl)) {
_ACL_FREE(default_acl);
default_acl = NULL;
}
}
- if (IS_POSIXACL(dir) && !default_acl && has_fs_struct(current))
+ if (IS_POSIXACL(dir) && !default_acl && __linvfs_has_fs_struct(current))
mode &= ~current->fs->umask;
- memset(&va, 0, sizeof(va));
- va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
- va.va_mode = mode;
+ memset(vattr, 0, sizeof(*vattr));
+ vattr->va_mask = XFS_AT_TYPE|XFS_AT_MODE;
+ vattr->va_mode = mode;
switch (mode & S_IFMT) {
case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
- va.va_rdev = sysv_encode_dev(rdev);
- va.va_mask |= XFS_AT_RDEV;
+ vattr->va_rdev = sysv_encode_dev(rdev);
+ vattr->va_mask |= XFS_AT_RDEV;
/*FALLTHROUGH*/
case S_IFREG:
- VOP_CREATE(dvp, dentry, &va, &vp, NULL, error);
+ VOP_CREATE(dvp, dentry, vattr, &vp, NULL, error);
break;
case S_IFDIR:
- VOP_MKDIR(dvp, dentry, &va, &vp, NULL, error);
+ VOP_MKDIR(dvp, dentry, vattr, &vp, NULL, error);
break;
default:
error = EINVAL;
break;
}
- if (!error)
- {
- error = linvfs_init_security(vp, dir);
+ if (unlikely(!error)) {
+ error = __linvfs_init_security(vp, dir);
if (error)
- cleanup_inode(dvp, vp, dentry, mode);
+ __linvfs_cleanup_inode(dvp, vp, dentry, mode);
}
- if (default_acl) {
+ if (unlikely(default_acl)) {
if (!error) {
- error = _ACL_INHERIT(vp, &va, default_acl);
- if (!error)
+ error = _ACL_INHERIT(vp, vattr, default_acl);
+ if (!error)
VMODIFY(vp);
else
- cleanup_inode(dvp, vp, dentry, mode);
+ __linvfs_cleanup_inode(dvp, vp, dentry, mode);
}
_ACL_FREE(default_acl);
}
- if (!error) {
+ if (likely(!error)) {
ASSERT(vp);
ip = LINVFS_GET_IP(vp);
if (S_ISCHR(mode) || S_ISBLK(mode))
ip->i_rdev = rdev;
else if (S_ISDIR(mode))
- validate_fields(ip);
+ __linvfs_validate_fields(ip, vattr);
d_instantiate(dentry, ip);
- validate_fields(dir);
+ __linvfs_validate_fields(dir, vattr);
}
+ kfree(vattr);
return -error;
}
@@ -423,22 +429,28 @@ linvfs_link(
struct inode *ip; /* inode of guy being linked to */
vnode_t *tdvp; /* target directory for new name/link */
vnode_t *vp; /* vp of name being linked */
+ vattr_t *vattr;
int error;
ip = old_dentry->d_inode; /* inode being linked to */
if (S_ISDIR(ip->i_mode))
return -EPERM;
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
tdvp = LINVFS_GET_VP(dir);
vp = LINVFS_GET_VP(ip);
VOP_LINK(tdvp, vp, dentry, NULL, error);
- if (!error) {
+ if (likely(!error)) {
VMODIFY(tdvp);
VN_HOLD(vp);
- validate_fields(ip);
+ __linvfs_validate_fields(ip, vattr);
d_instantiate(dentry, ip);
}
+ kfree(vattr);
return -error;
}
@@ -449,17 +461,22 @@ linvfs_unlink(
{
struct inode *inode;
vnode_t *dvp; /* directory containing name to remove */
+ vattr_t *vattr;
int error;
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
inode = dentry->d_inode;
dvp = LINVFS_GET_VP(dir);
VOP_REMOVE(dvp, dentry, NULL, error);
- if (!error) {
- validate_fields(dir); /* For size only */
- validate_fields(inode);
+ if (likely(!error)) {
+ __linvfs_validate_fields(dir, vattr); /* size needs update */
+ __linvfs_validate_fields(inode, vattr);
}
-
+ kfree(vattr);
return -error;
}
@@ -470,7 +487,7 @@ linvfs_symlink(
const char *symname)
{
struct inode *ip;
- vattr_t va;
+ vattr_t *vattr;
vnode_t *dvp; /* directory containing name of symlink */
vnode_t *cvp; /* used to lookup symlink to put in dentry */
int error;
@@ -478,22 +495,27 @@ linvfs_symlink(
dvp = LINVFS_GET_VP(dir);
cvp = NULL;
- memset(&va, 0, sizeof(va));
- va.va_mode = S_IFLNK |
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
+ memset(vattr, 0, sizeof(*vattr));
+ vattr->va_mode = S_IFLNK |
(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
- va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
+ vattr->va_mask = XFS_AT_TYPE|XFS_AT_MODE;
error = 0;
- VOP_SYMLINK(dvp, dentry, &va, (char *)symname, &cvp, NULL, error);
+ VOP_SYMLINK(dvp, dentry, vattr, (char *)symname, &cvp, NULL, error);
if (likely(!error && cvp)) {
- error = linvfs_init_security(cvp, dir);
+ error = __linvfs_init_security(cvp, dir);
if (likely(!error)) {
ip = LINVFS_GET_IP(cvp);
d_instantiate(dentry, ip);
- validate_fields(dir);
- validate_fields(ip);
+ __linvfs_validate_fields(dir, vattr);
+ __linvfs_validate_fields(ip, vattr);
}
}
+ kfree(vattr);
return -error;
}
@@ -504,13 +526,19 @@ linvfs_rmdir(
{
struct inode *inode = dentry->d_inode;
vnode_t *dvp = LINVFS_GET_VP(dir);
+ vattr_t *vattr;
int error;
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
VOP_RMDIR(dvp, dentry, NULL, error);
- if (!error) {
- validate_fields(inode);
- validate_fields(dir);
+ if (likely(!error)) {
+ __linvfs_validate_fields(inode, vattr);
+ __linvfs_validate_fields(dir, vattr);
}
+ kfree(vattr);
return -error;
}
@@ -524,22 +552,26 @@ linvfs_rename(
struct inode *new_inode = ndentry->d_inode;
vnode_t *fvp; /* from directory */
vnode_t *tvp; /* target directory */
+ vattr_t *vattr;
int error;
+ vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+ if (unlikely(!vattr))
+ return -ENOMEM;
+
fvp = LINVFS_GET_VP(odir);
tvp = LINVFS_GET_VP(ndir);
VOP_RENAME(fvp, odentry, tvp, ndentry, NULL, error);
- if (error)
- return -error;
-
- if (new_inode)
- validate_fields(new_inode);
-
- validate_fields(odir);
- if (ndir != odir)
- validate_fields(ndir);
- return 0;
+ if (likely(!error)) {
+ if (new_inode)
+ __linvfs_validate_fields(new_inode, vattr);
+ __linvfs_validate_fields(odir, vattr);
+ if (ndir != odir)
+ __linvfs_validate_fields(ndir, vattr);
+ }
+ kfree(vattr);
+ return -error;
}
/*
@@ -653,11 +685,10 @@ linvfs_setattr(
struct inode *inode = dentry->d_inode;
unsigned int ia_valid = attr->ia_valid;
vnode_t *vp = LINVFS_GET_VP(inode);
- vattr_t vattr;
+ vattr_t vattr = { 0 };
int flags = 0;
int error;
- memset(&vattr, 0, sizeof(vattr_t));
if (ia_valid & ATTR_UID) {
vattr.va_mask |= XFS_AT_UID;
vattr.va_uid = attr->ia_uid;
@@ -699,10 +730,9 @@ linvfs_setattr(
#endif
VOP_SETATTR(vp, &vattr, flags, NULL, error);
- if (error)
- return -error;
- vn_revalidate(vp);
- return error;
+ if (likely(!error))
+ __vn_revalidate(vp, &vattr);
+ return -error;
}
STATIC void
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c
index 260dd8415dd..225e7dd8b21 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.c
+++ b/fs/xfs/linux-2.6/xfs_vnode.c
@@ -83,7 +83,7 @@ vn_initialize(
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */
- vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
+ vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address);
return vp;
}
@@ -129,24 +129,31 @@ vn_revalidate_core(
* Revalidate the Linux inode from the vnode.
*/
int
-vn_revalidate(
- struct vnode *vp)
+__vn_revalidate(
+ struct vnode *vp,
+ struct vattr *vattr)
{
- vattr_t va;
int error;
- vn_trace_entry(vp, "vn_revalidate", (inst_t *)__return_address);
- ASSERT(vp->v_fbhv != NULL);
-
- va.va_mask = XFS_AT_STAT|XFS_AT_XFLAGS;
- VOP_GETATTR(vp, &va, 0, NULL, error);
- if (!error) {
- vn_revalidate_core(vp, &va);
+ vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS;
+ VOP_GETATTR(vp, vattr, 0, NULL, error);
+ if (likely(!error)) {
+ vn_revalidate_core(vp, vattr);
VUNMODIFY(vp);
}
return -error;
}
+int
+vn_revalidate(
+ struct vnode *vp)
+{
+ vattr_t vattr;
+
+ return __vn_revalidate(vp, &vattr);
+}
+
/*
* Add a reference to a referenced vnode.
*/
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 0fe2419461d..0cf92ca80ce 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -490,6 +490,7 @@ typedef struct vnode_map {
(vmap).v_ino = (vp)->v_inode.i_ino; }
extern int vn_revalidate(struct vnode *);
+extern int __vn_revalidate(struct vnode *, vattr_t *);
extern void vn_revalidate_core(struct vnode *, vattr_t *);
extern void vn_iowait(struct vnode *vp);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 10:46:37 +0000