diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-09-04 17:07:35 +0400 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-09-04 17:07:35 +0400 |
commit | 3fbb96d275989c604b343b9e39aeea50386756e9 (patch) | |
tree | 6a066ece039f798f7d5a6b44453fc889e0e1cf8a /fs/fuse/inode.c | |
parent | 63487589bf96bfd3fb7d5531f2d966f29ffe397d (diff) | |
parent | 863e99a8c1ea2b0391491904297f57a0f6a1fdd6 (diff) | |
download | linux-3fbb96d275989c604b343b9e39aeea50386756e9.tar.xz |
Merge branch 'cleanup/io-pci' into next/cleanup
The io-pci series has gained a merge to resolve a nontrivial
conflict.
* cleanup/io-pci:
ARM: Fix ioremap() of address zero
Also includes an update to Linux 3.6-rc3
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs/fuse/inode.c')
-rw-r--r-- | fs/fuse/inode.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 1cd61652018c..ce0a2838ccd0 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -197,6 +197,7 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr, struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_inode *fi = get_fuse_inode(inode); loff_t oldsize; + struct timespec old_mtime; spin_lock(&fc->lock); if (attr_version != 0 && fi->attr_version > attr_version) { @@ -204,15 +205,35 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr, return; } + old_mtime = inode->i_mtime; fuse_change_attributes_common(inode, attr, attr_valid); oldsize = inode->i_size; i_size_write(inode, attr->size); spin_unlock(&fc->lock); - if (S_ISREG(inode->i_mode) && oldsize != attr->size) { - truncate_pagecache(inode, oldsize, attr->size); - invalidate_inode_pages2(inode->i_mapping); + if (S_ISREG(inode->i_mode)) { + bool inval = false; + + if (oldsize != attr->size) { + truncate_pagecache(inode, oldsize, attr->size); + inval = true; + } else if (fc->auto_inval_data) { + struct timespec new_mtime = { + .tv_sec = attr->mtime, + .tv_nsec = attr->mtimensec, + }; + + /* + * Auto inval mode also checks and invalidates if mtime + * has changed. + */ + if (!timespec_equal(&old_mtime, &new_mtime)) + inval = true; + } + + if (inval) + invalidate_inode_pages2(inode->i_mapping); } } @@ -834,6 +855,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) fc->big_writes = 1; if (arg->flags & FUSE_DONT_MASK) fc->dont_mask = 1; + if (arg->flags & FUSE_AUTO_INVAL_DATA) + fc->auto_inval_data = 1; } else { ra_pages = fc->max_read / PAGE_CACHE_SIZE; fc->no_lock = 1; @@ -859,7 +882,8 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req) arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE; arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC | FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK | - FUSE_FLOCK_LOCKS; + FUSE_SPLICE_WRITE | FUSE_SPLICE_MOVE | FUSE_SPLICE_READ | + FUSE_FLOCK_LOCKS | FUSE_IOCTL_DIR | FUSE_AUTO_INVAL_DATA; req->in.h.opcode = FUSE_INIT; req->in.numargs = 1; req->in.args[0].size = sizeof(*arg); |