Commits · 365b18189789bfa1acd9939e6312b8a4b4577b28 · nexedi / linux

09 Aug, 2010 40 commits

add f_flags to struct statfs(64) · 365b1818

Christoph Hellwig authored Jul 07, 2010

Add a flags field to help glibc implementing statvfs(3) efficiently.

We copy the flag values from glibc, and add a new ST_VALID flag to
denote that f_flags is implemented.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

365b1818

pass a struct path to vfs_statfs · ebabe9a9

Christoph Hellwig authored Jul 07, 2010

We'll need the path to implement the flags field for statvfs support.
We do have it available in all callers except:

 - ecryptfs_statfs.  This one doesn't actually need vfs_statfs but just
   needs to do a caller to the lower filesystem statfs method.
 - sys_ustat.  Add a non-exported statfs_by_dentry helper for it which
   doesn't won't be able to fill out the flags field later on.

In addition rename the helpers for statfs vs fstatfs to do_*statfs instead
of the misleading vfs prefix.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

ebabe9a9

update VFS documentation for method changes. · 336fb3b9
Al Viro authored Jun 08, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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336fb3b9
All filesystems that need invalidate_inode_buffers() are doing that explicitly · b70a3e07
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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b70a3e07
convert remaining ->clear_inode() to ->evict_inode() · b57922d9
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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b57922d9

Make ->drop_inode() just return whether inode needs to be dropped · 45321ac5

Al Viro authored Jun 07, 2010

... and let iput_final() do the actual eviction or retention
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

45321ac5

fs/inode.c:clear_inode() is gone · 30140837
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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30140837
fs/inode.c:evict() doesn't care about delete vs. non-delete paths now · 644da596
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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644da596
->delete_inode() is gone · 07958f9f
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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07958f9f

convert ext4 to ->evict_inode() · 0930fcc1

Al Viro authored Jun 07, 2010

pretty much brute-force...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

0930fcc1

convert logfs to ->evict_inode() · 7da08fd1
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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7da08fd1

logfs: get rid of magical inodes · 8e22c1a4

Al Viro authored Jun 07, 2010

ordering problems at ->kill_sb() time are solved by doing iput()
of these suckers in ->put_super()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

8e22c1a4

convert nilfs2 to ->evict_inode() · 6fd1e5c9
Al Viro authored Jun 07, 2010
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[folded build fix from sfr]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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6fd1e5c9
convert exofs to ->evict_inode() · 4ec70c9b
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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4ec70c9b
convert reiserfs to ->evict_inode() · 845a2cc0
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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845a2cc0

convert btrfs to ->evict_inode() · bd555975

Al Viro authored Jun 07, 2010

NB: do we want btrfs_wait_ordered_range() on eviction of
inodes with positive i_nlink on subvolume with zero root_refs?
If not, btrfs_evict_inode() can be simplified by unconditionally
bailing out in case of i_nlink > 0 in the very beginning...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

bd555975

switch gfs2 to ->evict_inode() · d5c1515c
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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d5c1515c
convert ocfs2 to ->evict_inode() · 066d92dc
Al Viro authored Jun 08, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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066d92dc
switch ncpfs to ->evict_inode() · 94ee8494
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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94ee8494
switch udf to ->evict_inode() · 3aac2b62
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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3aac2b62
switch ubifs to ->evict_inode() · d640e1b5
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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d640e1b5
switch jfs to ->evict_inode() · 62aff86f
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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62aff86f
switch hpfs to ->evict_inode() · ea544009
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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ea544009
switch hppfs to ->evict_inode() · 33b0daaa
Al Viro authored Jun 07, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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33b0daaa

try to get rid of races in hostfs open() · f8ad850f

Al Viro authored Jun 06, 2010

In case of mode mismatch, do *not* blindly close the descriptor
another openers might be using right now.  Open the underlying
file with currently sufficient mode, then
	* if current mode has grown so that it's sufficient for
us now, just close our new fd
	* if current mode has grown and our fd is *not* enough
to cover it, close and repeat.
	* otherwise, install our fd if the file hadn't been
opened at all or dup2() our fd over the current one (and close
our fd).
Critical section is protected by mutex; yes, system-wide.  All
we do under it is a bunch of comparison and maybe an overwriting
dup2() on host.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

f8ad850f

leak in hostfs_unlink() · f8d7e187
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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f8d7e187

hostfs: fix races in dentry_name() and inode_name() · e9193059

Al Viro authored Jun 06, 2010

calculating size, then doing allocation, then filling the
path is a Bad Idea(tm), since the ancestors can be renamed,
leading to buffer overrun.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

e9193059

new helper: __dentry_path() · c103135c

Al Viro authored Jun 06, 2010

builds path relative to fs root, called under dcache_lock,
doesn't append any nonsense to unlinked ones.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

c103135c

hostfs: sanitize symlinks · d0352d3e
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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d0352d3e

hostfs: get rid of inode_dentry_name() · c5322220

Al Viro authored Jun 06, 2010

it's equivalent to dentry_name() anyway
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

c5322220

hostfs: get rid of file_type(), fold init_inode() · 4754b825
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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4754b825
switch stat_file() to passing a single struct rather than fsckloads of pointers · 39b743c6
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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39b743c6

hostfs: pass pathname to init_inode() · 5e2df28c

Al Viro authored Jun 06, 2010

We will calculate it in all callers anyway, so there's no
need to duplicate that inside.  Moreover, that way we lose
all failure exits in init_inode(), so it doesn't need to
return anything.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

5e2df28c

get rid of hostfs_read_inode() · 52b209f7

Al Viro authored Jun 06, 2010

There are only two call sites; in one (hostfs_iget()) it's actually
a no-op and in another (fill_super()) it's easier to expand the
damn thing and use what we know about its arguments to simplify
it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

52b209f7

hostfs: don't keep a field in each inode when we are using it only in root · 601d2c38
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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601d2c38
stop icache pollution in hostfs, switch to ->evict_inode() · e971a6d7
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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e971a6d7
switch affs to ->evict_inode() · f053ddde
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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f053ddde
switch omfs to ->evict_inode() · 69c9e750
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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69c9e750
switch bfs to ->evict_inode(), clean up · 9df2f851
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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9df2f851
convert ext3 to ->evict_inode() · ac14a95b
Al Viro authored Jun 06, 2010
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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ac14a95b