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-rw-r--r--fs/afs/dynroot.c4
-rw-r--r--fs/afs/internal.h1
-rw-r--r--fs/afs/server_list.c2
-rw-r--r--fs/afs/super.c4
-rw-r--r--fs/afs/vl_rotate.c10
-rw-r--r--fs/autofs/inode.c56
-rw-r--r--fs/ecryptfs/inode.c12
-rw-r--r--fs/erofs/Kconfig2
-rw-r--r--fs/erofs/data.c5
-rw-r--r--fs/erofs/inode.c98
-rw-r--r--fs/inode.c2
-rw-r--r--fs/libfs.c14
-rw-r--r--fs/overlayfs/inode.c10
-rw-r--r--fs/overlayfs/overlayfs.h8
-rw-r--r--fs/stat.c6
-rw-r--r--fs/xfs/xfs_inode.h8
-rw-r--r--fs/xfs/xfs_ioctl.c30
-rw-r--r--fs/xfs/xfs_iops.c7
18 files changed, 154 insertions, 125 deletions
diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index 4d04ef2d3ae7..1fa8cf23bd36 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -132,8 +132,8 @@ static int afs_probe_cell_name(struct dentry *dentry)
ret = dns_query(net->net, "afsdb", name, len, "srv=1",
NULL, NULL, false);
- if (ret == -ENODATA)
- ret = -EDESTADDRREQ;
+ if (ret == -ENODATA || ret == -ENOKEY)
+ ret = -ENOENT;
return ret;
}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index c9cef3782b4a..a812952be1c9 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -553,6 +553,7 @@ struct afs_server_entry {
};
struct afs_server_list {
+ struct rcu_head rcu;
afs_volid_t vids[AFS_MAXTYPES]; /* Volume IDs */
refcount_t usage;
unsigned char nr_servers;
diff --git a/fs/afs/server_list.c b/fs/afs/server_list.c
index ed9056703505..b59896b1de0a 100644
--- a/fs/afs/server_list.c
+++ b/fs/afs/server_list.c
@@ -17,7 +17,7 @@ void afs_put_serverlist(struct afs_net *net, struct afs_server_list *slist)
for (i = 0; i < slist->nr_servers; i++)
afs_unuse_server(net, slist->servers[i].server,
afs_server_trace_put_slist);
- kfree(slist);
+ kfree_rcu(slist, rcu);
}
}
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 95d713074dc8..a01a0fb2cdbb 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -407,6 +407,10 @@ static int afs_validate_fc(struct fs_context *fc)
return PTR_ERR(volume);
ctx->volume = volume;
+ if (volume->type != AFSVL_RWVOL) {
+ ctx->flock_mode = afs_flock_mode_local;
+ fc->sb_flags |= SB_RDONLY;
+ }
}
return 0;
diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c
index 488e58490b16..eb415ce56360 100644
--- a/fs/afs/vl_rotate.c
+++ b/fs/afs/vl_rotate.c
@@ -58,6 +58,12 @@ static bool afs_start_vl_iteration(struct afs_vl_cursor *vc)
}
/* Status load is ordered after lookup counter load */
+ if (cell->dns_status == DNS_LOOKUP_GOT_NOT_FOUND) {
+ pr_warn("No record of cell %s\n", cell->name);
+ vc->error = -ENOENT;
+ return false;
+ }
+
if (cell->dns_source == DNS_RECORD_UNAVAILABLE) {
vc->error = -EDESTADDRREQ;
return false;
@@ -285,6 +291,7 @@ failed:
*/
static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
{
+ struct afs_cell *cell = vc->cell;
static int count;
int i;
@@ -294,6 +301,9 @@ static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
rcu_read_lock();
pr_notice("EDESTADDR occurred\n");
+ pr_notice("CELL: %s err=%d\n", cell->name, cell->error);
+ pr_notice("DNS: src=%u st=%u lc=%x\n",
+ cell->dns_source, cell->dns_status, cell->dns_lookup_count);
pr_notice("VC: ut=%lx ix=%u ni=%hu fl=%hx err=%hd\n",
vc->untried, vc->index, vc->nr_iterations, vc->flags, vc->error);
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index a5083d447a62..1f5db6863663 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -309,9 +309,7 @@ static int autofs_fill_super(struct super_block *s, struct fs_context *fc)
struct autofs_fs_context *ctx = fc->fs_private;
struct autofs_sb_info *sbi = s->s_fs_info;
struct inode *root_inode;
- struct dentry *root;
struct autofs_info *ino;
- int ret = -ENOMEM;
pr_debug("starting up, sbi = %p\n", sbi);
@@ -328,56 +326,44 @@ static int autofs_fill_super(struct super_block *s, struct fs_context *fc)
*/
ino = autofs_new_ino(sbi);
if (!ino)
- goto fail;
+ return -ENOMEM;
root_inode = autofs_get_inode(s, S_IFDIR | 0755);
+ if (!root_inode)
+ return -ENOMEM;
+
root_inode->i_uid = ctx->uid;
root_inode->i_gid = ctx->gid;
+ root_inode->i_fop = &autofs_root_operations;
+ root_inode->i_op = &autofs_dir_inode_operations;
- root = d_make_root(root_inode);
- if (!root)
- goto fail_ino;
-
- root->d_fsdata = ino;
+ s->s_root = d_make_root(root_inode);
+ if (unlikely(!s->s_root)) {
+ autofs_free_ino(ino);
+ return -ENOMEM;
+ }
+ s->s_root->d_fsdata = ino;
if (ctx->pgrp_set) {
sbi->oz_pgrp = find_get_pid(ctx->pgrp);
- if (!sbi->oz_pgrp) {
- ret = invalf(fc, "Could not find process group %d",
- ctx->pgrp);
- goto fail_dput;
- }
- } else {
+ if (!sbi->oz_pgrp)
+ return invalf(fc, "Could not find process group %d",
+ ctx->pgrp);
+ } else
sbi->oz_pgrp = get_task_pid(current, PIDTYPE_PGID);
- }
if (autofs_type_trigger(sbi->type))
- __managed_dentry_set_managed(root);
-
- root_inode->i_fop = &autofs_root_operations;
- root_inode->i_op = &autofs_dir_inode_operations;
+ /* s->s_root won't be contended so there's little to
+ * be gained by not taking the d_lock when setting
+ * d_flags, even when a lot mounts are being done.
+ */
+ managed_dentry_set_managed(s->s_root);
pr_debug("pipe fd = %d, pgrp = %u\n",
sbi->pipefd, pid_nr(sbi->oz_pgrp));
sbi->flags &= ~AUTOFS_SBI_CATATONIC;
-
- /*
- * Success! Install the root dentry now to indicate completion.
- */
- s->s_root = root;
return 0;
-
- /*
- * Failure ... clean up.
- */
-fail_dput:
- dput(root);
- goto fail;
-fail_ino:
- autofs_free_ino(ino);
-fail:
- return ret;
}
/*
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index a25dd3d20008..b0e8774c435a 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -998,6 +998,14 @@ static int ecryptfs_getattr_link(struct mnt_idmap *idmap,
return rc;
}
+static int ecryptfs_do_getattr(const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int flags)
+{
+ if (flags & AT_GETATTR_NOSEC)
+ return vfs_getattr_nosec(path, stat, request_mask, flags);
+ return vfs_getattr(path, stat, request_mask, flags);
+}
+
static int ecryptfs_getattr(struct mnt_idmap *idmap,
const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
@@ -1006,8 +1014,8 @@ static int ecryptfs_getattr(struct mnt_idmap *idmap,
struct kstat lower_stat;
int rc;
- rc = vfs_getattr(ecryptfs_dentry_to_lower_path(dentry), &lower_stat,
- request_mask, flags);
+ rc = ecryptfs_do_getattr(ecryptfs_dentry_to_lower_path(dentry),
+ &lower_stat, request_mask, flags);
if (!rc) {
fsstack_copy_attr_all(d_inode(dentry),
ecryptfs_inode_to_lower(d_inode(dentry)));
diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
index e540648dedc2..1d318f85232d 100644
--- a/fs/erofs/Kconfig
+++ b/fs/erofs/Kconfig
@@ -21,7 +21,7 @@ config EROFS_FS
performance under extremely memory pressure without extra cost.
See the documentation at <file:Documentation/filesystems/erofs.rst>
- for more details.
+ and the web pages at <https://erofs.docs.kernel.org> for more details.
If unsure, say N.
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 029c761670bf..c98aeda8abb2 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -220,7 +220,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
up_read(&devs->rwsem);
return 0;
}
- map->m_bdev = dif->bdev_handle->bdev;
+ map->m_bdev = dif->bdev_handle ? dif->bdev_handle->bdev : NULL;
map->m_daxdev = dif->dax_dev;
map->m_dax_part_off = dif->dax_part_off;
map->m_fscache = dif->fscache;
@@ -238,7 +238,8 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
if (map->m_pa >= startoff &&
map->m_pa < startoff + length) {
map->m_pa -= startoff;
- map->m_bdev = dif->bdev_handle->bdev;
+ map->m_bdev = dif->bdev_handle ?
+ dif->bdev_handle->bdev : NULL;
map->m_daxdev = dif->dax_dev;
map->m_dax_part_off = dif->dax_part_off;
map->m_fscache = dif->fscache;
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index b8ad05b4509d..14a79d3226ab 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -15,11 +15,11 @@ static void *erofs_read_inode(struct erofs_buf *buf,
struct erofs_sb_info *sbi = EROFS_SB(sb);
struct erofs_inode *vi = EROFS_I(inode);
const erofs_off_t inode_loc = erofs_iloc(inode);
-
erofs_blk_t blkaddr, nblks = 0;
void *kaddr;
struct erofs_inode_compact *dic;
struct erofs_inode_extended *die, *copied = NULL;
+ union erofs_inode_i_u iu;
unsigned int ifmt;
int err;
@@ -35,9 +35,8 @@ static void *erofs_read_inode(struct erofs_buf *buf,
dic = kaddr + *ofs;
ifmt = le16_to_cpu(dic->i_format);
-
if (ifmt & ~EROFS_I_ALL) {
- erofs_err(inode->i_sb, "unsupported i_format %u of nid %llu",
+ erofs_err(sb, "unsupported i_format %u of nid %llu",
ifmt, vi->nid);
err = -EOPNOTSUPP;
goto err_out;
@@ -45,7 +44,7 @@ static void *erofs_read_inode(struct erofs_buf *buf,
vi->datalayout = erofs_inode_datalayout(ifmt);
if (vi->datalayout >= EROFS_INODE_DATALAYOUT_MAX) {
- erofs_err(inode->i_sb, "unsupported datalayout %u of nid %llu",
+ erofs_err(sb, "unsupported datalayout %u of nid %llu",
vi->datalayout, vi->nid);
err = -EOPNOTSUPP;
goto err_out;
@@ -82,40 +81,15 @@ static void *erofs_read_inode(struct erofs_buf *buf,
vi->xattr_isize = erofs_xattr_ibody_size(die->i_xattr_icount);
inode->i_mode = le16_to_cpu(die->i_mode);
- switch (inode->i_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- vi->raw_blkaddr = le32_to_cpu(die->i_u.raw_blkaddr);
- break;
- case S_IFCHR:
- case S_IFBLK:
- inode->i_rdev =
- new_decode_dev(le32_to_cpu(die->i_u.rdev));
- break;
- case S_IFIFO:
- case S_IFSOCK:
- inode->i_rdev = 0;
- break;
- default:
- goto bogusimode;
- }
+ iu = die->i_u;
i_uid_write(inode, le32_to_cpu(die->i_uid));
i_gid_write(inode, le32_to_cpu(die->i_gid));
set_nlink(inode, le32_to_cpu(die->i_nlink));
-
- /* extended inode has its own timestamp */
+ /* each extended inode has its own timestamp */
inode_set_ctime(inode, le64_to_cpu(die->i_mtime),
le32_to_cpu(die->i_mtime_nsec));
inode->i_size = le64_to_cpu(die->i_size);
-
- /* total blocks for compressed files */
- if (erofs_inode_is_data_compressed(vi->datalayout))
- nblks = le32_to_cpu(die->i_u.compressed_blocks);
- else if (vi->datalayout == EROFS_INODE_CHUNK_BASED)
- /* fill chunked inode summary info */
- vi->chunkformat = le16_to_cpu(die->i_u.c.format);
kfree(copied);
copied = NULL;
break;
@@ -125,49 +99,51 @@ static void *erofs_read_inode(struct erofs_buf *buf,
vi->xattr_isize = erofs_xattr_ibody_size(dic->i_xattr_icount);
inode->i_mode = le16_to_cpu(dic->i_mode);
- switch (inode->i_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- vi->raw_blkaddr = le32_to_cpu(dic->i_u.raw_blkaddr);
- break;
- case S_IFCHR:
- case S_IFBLK:
- inode->i_rdev =
- new_decode_dev(le32_to_cpu(dic->i_u.rdev));
- break;
- case S_IFIFO:
- case S_IFSOCK:
- inode->i_rdev = 0;
- break;
- default:
- goto bogusimode;
- }
+ iu = dic->i_u;
i_uid_write(inode, le16_to_cpu(dic->i_uid));
i_gid_write(inode, le16_to_cpu(dic->i_gid));
set_nlink(inode, le16_to_cpu(dic->i_nlink));
-
/* use build time for compact inodes */
inode_set_ctime(inode, sbi->build_time, sbi->build_time_nsec);
inode->i_size = le32_to_cpu(dic->i_size);
- if (erofs_inode_is_data_compressed(vi->datalayout))
- nblks = le32_to_cpu(dic->i_u.compressed_blocks);
- else if (vi->datalayout == EROFS_INODE_CHUNK_BASED)
- vi->chunkformat = le16_to_cpu(dic->i_u.c.format);
break;
default:
- erofs_err(inode->i_sb,
- "unsupported on-disk inode version %u of nid %llu",
+ erofs_err(sb, "unsupported on-disk inode version %u of nid %llu",
erofs_inode_version(ifmt), vi->nid);
err = -EOPNOTSUPP;
goto err_out;
}
- if (vi->datalayout == EROFS_INODE_CHUNK_BASED) {
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFREG:
+ case S_IFDIR:
+ case S_IFLNK:
+ vi->raw_blkaddr = le32_to_cpu(iu.raw_blkaddr);
+ break;
+ case S_IFCHR:
+ case S_IFBLK:
+ inode->i_rdev = new_decode_dev(le32_to_cpu(iu.rdev));
+ break;
+ case S_IFIFO:
+ case S_IFSOCK:
+ inode->i_rdev = 0;
+ break;
+ default:
+ erofs_err(sb, "bogus i_mode (%o) @ nid %llu", inode->i_mode,
+ vi->nid);
+ err = -EFSCORRUPTED;
+ goto err_out;
+ }
+
+ /* total blocks for compressed files */
+ if (erofs_inode_is_data_compressed(vi->datalayout)) {
+ nblks = le32_to_cpu(iu.compressed_blocks);
+ } else if (vi->datalayout == EROFS_INODE_CHUNK_BASED) {
+ /* fill chunked inode summary info */
+ vi->chunkformat = le16_to_cpu(iu.c.format);
if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL) {
- erofs_err(inode->i_sb,
- "unsupported chunk format %x of nid %llu",
+ erofs_err(sb, "unsupported chunk format %x of nid %llu",
vi->chunkformat, vi->nid);
err = -EOPNOTSUPP;
goto err_out;
@@ -191,10 +167,6 @@ static void *erofs_read_inode(struct erofs_buf *buf,
inode->i_blocks = nblks << (sb->s_blocksize_bits - 9);
return kaddr;
-bogusimode:
- erofs_err(inode->i_sb, "bogus i_mode (%o) @ nid %llu",
- inode->i_mode, vi->nid);
- err = -EFSCORRUPTED;
err_out:
DBG_BUGON(1);
kfree(copied);
diff --git a/fs/inode.c b/fs/inode.c
index edcd8a61975f..f238d987dec9 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -215,6 +215,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
lockdep_set_class_and_name(&mapping->invalidate_lock,
&sb->s_type->invalidate_lock_key,
"mapping.invalidate_lock");
+ if (sb->s_iflags & SB_I_STABLE_WRITES)
+ mapping_set_stable_writes(mapping);
inode->i_private = NULL;
inode->i_mapping = mapping;
INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */
diff --git a/fs/libfs.c b/fs/libfs.c
index e9440d55073c..c2aa6fd4795c 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -399,6 +399,8 @@ static loff_t offset_dir_llseek(struct file *file, loff_t offset, int whence)
return -EINVAL;
}
+ /* In this case, ->private_data is protected by f_pos_lock */
+ file->private_data = NULL;
return vfs_setpos(file, offset, U32_MAX);
}
@@ -428,7 +430,7 @@ static bool offset_dir_emit(struct dir_context *ctx, struct dentry *dentry)
inode->i_ino, fs_umode_to_dtype(inode->i_mode));
}
-static void offset_iterate_dir(struct inode *inode, struct dir_context *ctx)
+static void *offset_iterate_dir(struct inode *inode, struct dir_context *ctx)
{
struct offset_ctx *so_ctx = inode->i_op->get_offset_ctx(inode);
XA_STATE(xas, &so_ctx->xa, ctx->pos);
@@ -437,7 +439,7 @@ static void offset_iterate_dir(struct inode *inode, struct dir_context *ctx)
while (true) {
dentry = offset_find_next(&xas);
if (!dentry)
- break;
+ return ERR_PTR(-ENOENT);
if (!offset_dir_emit(ctx, dentry)) {
dput(dentry);
@@ -447,6 +449,7 @@ static void offset_iterate_dir(struct inode *inode, struct dir_context *ctx)
dput(dentry);
ctx->pos = xas.xa_index + 1;
}
+ return NULL;
}
/**
@@ -479,7 +482,12 @@ static int offset_readdir(struct file *file, struct dir_context *ctx)
if (!dir_emit_dots(file, ctx))
return 0;
- offset_iterate_dir(d_inode(dir), ctx);
+ /* In this case, ->private_data is protected by f_pos_lock */
+ if (ctx->pos == 2)
+ file->private_data = NULL;
+ else if (file->private_data == ERR_PTR(-ENOENT))
+ return 0;
+ file->private_data = offset_iterate_dir(d_inode(dir), ctx);
return 0;
}
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 345b8f161ca4..c63b31a460be 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -171,7 +171,7 @@ int ovl_getattr(struct mnt_idmap *idmap, const struct path *path,
type = ovl_path_real(dentry, &realpath);
old_cred = ovl_override_creds(dentry->d_sb);
- err = vfs_getattr(&realpath, stat, request_mask, flags);
+ err = ovl_do_getattr(&realpath, stat, request_mask, flags);
if (err)
goto out;
@@ -196,8 +196,8 @@ int ovl_getattr(struct mnt_idmap *idmap, const struct path *path,
(!is_dir ? STATX_NLINK : 0);
ovl_path_lower(dentry, &realpath);
- err = vfs_getattr(&realpath, &lowerstat,
- lowermask, flags);
+ err = ovl_do_getattr(&realpath, &lowerstat, lowermask,
+ flags);
if (err)
goto out;
@@ -249,8 +249,8 @@ int ovl_getattr(struct mnt_idmap *idmap, const struct path *path,
ovl_path_lowerdata(dentry, &realpath);
if (realpath.dentry) {
- err = vfs_getattr(&realpath, &lowerdatastat,
- lowermask, flags);
+ err = ovl_do_getattr(&realpath, &lowerdatastat,
+ lowermask, flags);
if (err)
goto out;
} else {
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index ca88b2636a57..05c3dd597fa8 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -408,6 +408,14 @@ static inline bool ovl_open_flags_need_copy_up(int flags)
return ((OPEN_FMODE(flags) & FMODE_WRITE) || (flags & O_TRUNC));
}
+static inline int ovl_do_getattr(const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int flags)
+{
+ if (flags & AT_GETATTR_NOSEC)
+ return vfs_getattr_nosec(path, stat, request_mask, flags);
+ return vfs_getattr(path, stat, request_mask, flags);
+}
+
/* util.c */
int ovl_get_write_access(struct dentry *dentry);
void ovl_put_write_access(struct dentry *dentry);
diff --git a/fs/stat.c b/fs/stat.c
index 24bb0209e459..f721d26ec3f7 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -133,7 +133,8 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
idmap = mnt_idmap(path->mnt);
if (inode->i_op->getattr)
return inode->i_op->getattr(idmap, path, stat,
- request_mask, query_flags);
+ request_mask,
+ query_flags | AT_GETATTR_NOSEC);
generic_fillattr(idmap, request_mask, inode, stat);
return 0;
@@ -166,6 +167,9 @@ int vfs_getattr(const struct path *path, struct kstat *stat,
{
int retval;
+ if (WARN_ON_ONCE(query_flags & AT_GETATTR_NOSEC))
+ return -EPERM;
+
retval = security_inode_getattr(path);
if (retval)
return retval;
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 3dc47937da5d..3beb470f1892 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -569,6 +569,14 @@ extern void xfs_setup_inode(struct xfs_inode *ip);
extern void xfs_setup_iops(struct xfs_inode *ip);
extern void xfs_diflags_to_iflags(struct xfs_inode *ip, bool init);
+static inline void xfs_update_stable_writes(struct xfs_inode *ip)
+{
+ if (bdev_stable_writes(xfs_inode_buftarg(ip)->bt_bdev))
+ mapping_set_stable_writes(VFS_I(ip)->i_mapping);
+ else
+ mapping_clear_stable_writes(VFS_I(ip)->i_mapping);
+}
+
/*
* When setting up a newly allocated inode, we need to call
* xfs_finish_inode_setup() once the inode is fully instantiated at
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a82470e027f7..6c3919687ea6 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1121,23 +1121,25 @@ xfs_ioctl_setattr_xflags(
struct fileattr *fa)
{
struct xfs_mount *mp = ip->i_mount;
+ bool rtflag = (fa->fsx_xflags & FS_XFLAG_REALTIME);
uint64_t i_flags2;
- /* Can't change realtime flag if any extents are allocated. */
- if ((ip->i_df.if_nextents || ip->i_delayed_blks) &&
- XFS_IS_REALTIME_INODE(ip) != (fa->fsx_xflags & FS_XFLAG_REALTIME))
- return -EINVAL;
+ if (rtflag != XFS_IS_REALTIME_INODE(ip)) {
+ /* Can't change realtime flag if any extents are allocated. */
+ if (ip->i_df.if_nextents || ip->i_delayed_blks)
+ return -EINVAL;
+ }
- /* If realtime flag is set then must have realtime device */
- if (fa->fsx_xflags & FS_XFLAG_REALTIME) {
+ if (rtflag) {
+ /* If realtime flag is set then must have realtime device */
if (mp->m_sb.sb_rblocks == 0 || mp->m_sb.sb_rextsize == 0 ||
xfs_extlen_to_rtxmod(mp, ip->i_extsize))
return -EINVAL;
- }
- /* Clear reflink if we are actually able to set the rt flag. */
- if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip))
- ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
+ /* Clear reflink if we are actually able to set the rt flag. */
+ if (xfs_is_reflink_inode(ip))
+ ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
+ }
/* diflags2 only valid for v3 inodes. */
i_flags2 = xfs_flags2diflags2(ip, fa->fsx_xflags);
@@ -1148,6 +1150,14 @@ xfs_ioctl_setattr_xflags(
ip->i_diflags2 = i_flags2;
xfs_diflags_to_iflags(ip, false);
+
+ /*
+ * Make the stable writes flag match that of the device the inode
+ * resides on when flipping the RT flag.
+ */
+ if (rtflag != XFS_IS_REALTIME_INODE(ip) && S_ISREG(VFS_I(ip)->i_mode))
+ xfs_update_stable_writes(ip);
+
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(mp, xs_ig_attrchg);
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index fdfda4fba12b..a0d77f5f512e 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1299,6 +1299,13 @@ xfs_setup_inode(
mapping_set_gfp_mask(inode->i_mapping, (gfp_mask & ~(__GFP_FS)));
/*
+ * For real-time inodes update the stable write flags to that of the RT
+ * device instead of the data device.
+ */
+ if (S_ISREG(inode->i_mode) && XFS_IS_REALTIME_INODE(ip))
+ xfs_update_stable_writes(ip);
+
+ /*
* If there is no attribute fork no ACL can exist on this inode,
* and it can't have any file capabilities attached to it either.
*/
generated by cgit (git 2.34.1) at 2025-04-05 00:08:44 +0000